20558237880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{331}}^1\times {\mathrm{27241}}^1$

素因数の和:27605

約数の個数: 128

約数和(自身を含む): 65119276800

約数和(自身を除く): 44561038920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 57, 60, 76, 95, 114, 120, 152, 190, 228, 285, 331, 380, 456, 570, 662, 760, 993, 1140, 1324, 1655, 1986, 2280, 2648, 3310, 3972, 4965, 6289, 6620, 7944, 9930, 12578, 13240, 18867, 19860, 25156, 27241, 31445, 37734, 39720, 50312, 54482, 62890, 75468, 81723, 94335, 108964, 125780, 136205, 150936, 163446, 188670, 217928, 251560, 272410, 326892, 377340, 408615, 517579, 544820, 653784, 754680, 817230, 1035158, 1089640, 1552737, 1634460, 2070316, 2587895, 3105474, 3268920, 4140632, 5175790, 6210948, 7763685, 9016771, 10351580, 12421896, 15527370, 18033542, 20703160, 27050313, 31054740, 36067084, 45083855, 54100626, 62109480, 72134168, 90167710, 108201252, 135251565, 171318649, 180335420, 216402504, 270503130, 342637298, 360670840, 513955947, 541006260, 685274596, 856593245, 1027911894, 1082012520, 1370549192, 1713186490, 2055823788, 2569779735, 3426372980, 4111647576, 5139559470, 6852745960, 10279118940, 20558237880]

約数ペア:

[(1, 20558237880), (2, 10279118940), (3, 6852745960), (4, 5139559470), (5, 4111647576), (6, 3426372980), (8, 2569779735), (10, 2055823788), (12, 1713186490), (15, 1370549192), (19, 1082012520), (20, 1027911894), (24, 856593245), (30, 685274596), (38, 541006260), (40, 513955947), (57, 360670840), (60, 342637298), (76, 270503130), (95, 216402504), (114, 180335420), (120, 171318649), (152, 135251565), (190, 108201252), (228, 90167710), (285, 72134168), (331, 62109480), (380, 54100626), (456, 45083855), (570, 36067084), (662, 31054740), (760, 27050313), (993, 20703160), (1140, 18033542), (1324, 15527370), (1655, 12421896), (1986, 10351580), (2280, 9016771), (2648, 7763685), (3310, 6210948), (3972, 5175790), (4965, 4140632), (6289, 3268920), (6620, 3105474), (7944, 2587895), (9930, 2070316), (12578, 1634460), (13240, 1552737), (18867, 1089640), (19860, 1035158), (25156, 817230), (27241, 754680), (31445, 653784), (37734, 544820), (39720, 517579), (50312, 408615), (54482, 377340), (62890, 326892), (75468, 272410), (81723, 251560), (94335, 217928), (108964, 188670), (125780, 163446), (136205, 150936)]