20556996840

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{15031}}^1$

素因数の和:15208

約数の個数: 192

約数和(自身を含む): 69646262400

約数和(自身を除く): 49089265560

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 29, 30, 36, 40, 45, 58, 60, 72, 87, 90, 116, 120, 131, 145, 174, 180, 232, 261, 262, 290, 348, 360, 393, 435, 522, 524, 580, 655, 696, 786, 870, 1044, 1048, 1160, 1179, 1305, 1310, 1572, 1740, 1965, 2088, 2358, 2610, 2620, 3144, 3480, 3799, 3930, 4716, 5220, 5240, 5895, 7598, 7860, 9432, 10440, 11397, 11790, 15031, 15196, 15720, 18995, 22794, 23580, 30062, 30392, 34191, 37990, 45093, 45588, 47160, 56985, 60124, 68382, 75155, 75980, 90186, 91176, 113970, 120248, 135279, 136764, 150310, 151960, 170955, 180372, 225465, 227940, 270558, 273528, 300620, 341910, 360744, 435899, 450930, 455880, 541116, 601240, 676395, 683820, 871798, 901860, 1082232, 1307697, 1352790, 1367640, 1743596, 1803720, 1969061, 2179495, 2615394, 2705580, 3487192, 3923091, 3938122, 4358990, 5230788, 5411160, 5907183, 6538485, 7846182, 7876244, 8717980, 9845305, 10461576, 11814366, 13076970, 15692364, 15752488, 17435960, 17721549, 19615455, 19690610, 23628732, 26153940, 29535915, 31384728, 35443098, 39230910, 39381220, 47257464, 52307880, 57102769, 59071830, 70886196, 78461820, 78762440, 88607745, 114205538, 118143660, 141772392, 156923640, 171308307, 177215490, 228411076, 236287320, 285513845, 342616614, 354430980, 456822152, 513924921, 571027690, 685233228, 708861960, 856541535, 1027849842, 1142055380, 1370466456, 1713083070, 2055699684, 2284110760, 2569624605, 3426166140, 4111399368, 5139249210, 6852332280, 10278498420, 20556996840]

約数ペア:

[(1, 20556996840), (2, 10278498420), (3, 6852332280), (4, 5139249210), (5, 4111399368), (6, 3426166140), (8, 2569624605), (9, 2284110760), (10, 2055699684), (12, 1713083070), (15, 1370466456), (18, 1142055380), (20, 1027849842), (24, 856541535), (29, 708861960), (30, 685233228), (36, 571027690), (40, 513924921), (45, 456822152), (58, 354430980), (60, 342616614), (72, 285513845), (87, 236287320), (90, 228411076), (116, 177215490), (120, 171308307), (131, 156923640), (145, 141772392), (174, 118143660), (180, 114205538), (232, 88607745), (261, 78762440), (262, 78461820), (290, 70886196), (348, 59071830), (360, 57102769), (393, 52307880), (435, 47257464), (522, 39381220), (524, 39230910), (580, 35443098), (655, 31384728), (696, 29535915), (786, 26153940), (870, 23628732), (1044, 19690610), (1048, 19615455), (1160, 17721549), (1179, 17435960), (1305, 15752488), (1310, 15692364), (1572, 13076970), (1740, 11814366), (1965, 10461576), (2088, 9845305), (2358, 8717980), (2610, 7876244), (2620, 7846182), (3144, 6538485), (3480, 5907183), (3799, 5411160), (3930, 5230788), (4716, 4358990), (5220, 3938122), (5240, 3923091), (5895, 3487192), (7598, 2705580), (7860, 2615394), (9432, 2179495), (10440, 1969061), (11397, 1803720), (11790, 1743596), (15031, 1367640), (15196, 1352790), (15720, 1307697), (18995, 1082232), (22794, 901860), (23580, 871798), (30062, 683820), (30392, 676395), (34191, 601240), (37990, 541116), (45093, 455880), (45588, 450930), (47160, 435899), (56985, 360744), (60124, 341910), (68382, 300620), (75155, 273528), (75980, 270558), (90186, 227940), (91176, 225465), (113970, 180372), (120248, 170955), (135279, 151960), (136764, 150310)]