20281950

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{3467}}^1$

素因数の和:3498

約数の個数: 72

約数和(自身を含む): 58699368

約数和(自身を除く): 38417418

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 39, 45, 50, 65, 75, 78, 90, 117, 130, 150, 195, 225, 234, 325, 390, 450, 585, 650, 975, 1170, 1950, 2925, 3467, 5850, 6934, 10401, 17335, 20802, 31203, 34670, 45071, 52005, 62406, 86675, 90142, 104010, 135213, 156015, 173350, 225355, 260025, 270426, 312030, 405639, 450710, 520050, 676065, 780075, 811278, 1126775, 1352130, 1560150, 2028195, 2253550, 3380325, 4056390, 6760650, 10140975, 20281950]

約数ペア:

[(1, 20281950), (2, 10140975), (3, 6760650), (5, 4056390), (6, 3380325), (9, 2253550), (10, 2028195), (13, 1560150), (15, 1352130), (18, 1126775), (25, 811278), (26, 780075), (30, 676065), (39, 520050), (45, 450710), (50, 405639), (65, 312030), (75, 270426), (78, 260025), (90, 225355), (117, 173350), (130, 156015), (150, 135213), (195, 104010), (225, 90142), (234, 86675), (325, 62406), (390, 52005), (450, 45071), (585, 34670), (650, 31203), (975, 20802), (1170, 17335), (1950, 10401), (2925, 6934), (3467, 5850)]