20333520

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{911}}^1$

素因数の和:961

約数の個数: 120

約数和(自身を含む): 70566912

約数和(自身を除く): 50233392

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 911, 930, 1116, 1240, 1395, 1488, 1822, 1860, 2232, 2480, 2733, 2790, 3644, 3720, 4464, 4555, 5466, 5580, 7288, 7440, 8199, 9110, 10932, 11160, 13665, 14576, 16398, 18220, 21864, 22320, 27330, 28241, 32796, 36440, 40995, 43728, 54660, 56482, 65592, 72880, 81990, 84723, 109320, 112964, 131184, 141205, 163980, 169446, 218640, 225928, 254169, 282410, 327960, 338892, 423615, 451856, 508338, 564820, 655920, 677784, 847230, 1016676, 1129640, 1270845, 1355568, 1694460, 2033352, 2259280, 2541690, 3388920, 4066704, 5083380, 6777840, 10166760, 20333520]

約数ペア:

[(1, 20333520), (2, 10166760), (3, 6777840), (4, 5083380), (5, 4066704), (6, 3388920), (8, 2541690), (9, 2259280), (10, 2033352), (12, 1694460), (15, 1355568), (16, 1270845), (18, 1129640), (20, 1016676), (24, 847230), (30, 677784), (31, 655920), (36, 564820), (40, 508338), (45, 451856), (48, 423615), (60, 338892), (62, 327960), (72, 282410), (80, 254169), (90, 225928), (93, 218640), (120, 169446), (124, 163980), (144, 141205), (155, 131184), (180, 112964), (186, 109320), (240, 84723), (248, 81990), (279, 72880), (310, 65592), (360, 56482), (372, 54660), (465, 43728), (496, 40995), (558, 36440), (620, 32796), (720, 28241), (744, 27330), (911, 22320), (930, 21864), (1116, 18220), (1240, 16398), (1395, 14576), (1488, 13665), (1822, 11160), (1860, 10932), (2232, 9110), (2480, 8199), (2733, 7440), (2790, 7288), (3644, 5580), (3720, 5466), (4464, 4555)]