20722080

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1877}}^1$

素因数の和:1918

約数の個数: 96

約数和(自身を含む): 68148864

約数和(自身を除く): 47426784

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 23, 24, 30, 32, 40, 46, 48, 60, 69, 80, 92, 96, 115, 120, 138, 160, 184, 230, 240, 276, 345, 368, 460, 480, 552, 690, 736, 920, 1104, 1380, 1840, 1877, 2208, 2760, 3680, 3754, 5520, 5631, 7508, 9385, 11040, 11262, 15016, 18770, 22524, 28155, 30032, 37540, 43171, 45048, 56310, 60064, 75080, 86342, 90096, 112620, 129513, 150160, 172684, 180192, 215855, 225240, 259026, 300320, 345368, 431710, 450480, 518052, 647565, 690736, 863420, 900960, 1036104, 1295130, 1381472, 1726840, 2072208, 2590260, 3453680, 4144416, 5180520, 6907360, 10361040, 20722080]

約数ペア:

[(1, 20722080), (2, 10361040), (3, 6907360), (4, 5180520), (5, 4144416), (6, 3453680), (8, 2590260), (10, 2072208), (12, 1726840), (15, 1381472), (16, 1295130), (20, 1036104), (23, 900960), (24, 863420), (30, 690736), (32, 647565), (40, 518052), (46, 450480), (48, 431710), (60, 345368), (69, 300320), (80, 259026), (92, 225240), (96, 215855), (115, 180192), (120, 172684), (138, 150160), (160, 129513), (184, 112620), (230, 90096), (240, 86342), (276, 75080), (345, 60064), (368, 56310), (460, 45048), (480, 43171), (552, 37540), (690, 30032), (736, 28155), (920, 22524), (1104, 18770), (1380, 15016), (1840, 11262), (1877, 11040), (2208, 9385), (2760, 7508), (3680, 5631), (3754, 5520)]