20879212680

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{865639}}^1$

素因数の和:865723

約数の個数: 96

約数和(自身を含む): 68870318400

約数和(自身を除く): 47991105720

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 67, 72, 90, 120, 134, 180, 201, 268, 335, 360, 402, 536, 603, 670, 804, 1005, 1206, 1340, 1608, 2010, 2412, 2680, 3015, 4020, 4824, 6030, 8040, 12060, 24120, 865639, 1731278, 2596917, 3462556, 4328195, 5193834, 6925112, 7790751, 8656390, 10387668, 12984585, 15581502, 17312780, 20775336, 25969170, 31163004, 34625560, 38953755, 51938340, 57997813, 62326008, 77907510, 103876680, 115995626, 155815020, 173993439, 231991252, 289989065, 311630040, 347986878, 463982504, 521980317, 579978130, 695973756, 869967195, 1043960634, 1159956260, 1391947512, 1739934390, 2087921268, 2319912520, 2609901585, 3479868780, 4175842536, 5219803170, 6959737560, 10439606340, 20879212680]

約数ペア:

[(1, 20879212680), (2, 10439606340), (3, 6959737560), (4, 5219803170), (5, 4175842536), (6, 3479868780), (8, 2609901585), (9, 2319912520), (10, 2087921268), (12, 1739934390), (15, 1391947512), (18, 1159956260), (20, 1043960634), (24, 869967195), (30, 695973756), (36, 579978130), (40, 521980317), (45, 463982504), (60, 347986878), (67, 311630040), (72, 289989065), (90, 231991252), (120, 173993439), (134, 155815020), (180, 115995626), (201, 103876680), (268, 77907510), (335, 62326008), (360, 57997813), (402, 51938340), (536, 38953755), (603, 34625560), (670, 31163004), (804, 25969170), (1005, 20775336), (1206, 17312780), (1340, 15581502), (1608, 12984585), (2010, 10387668), (2412, 8656390), (2680, 7790751), (3015, 6925112), (4020, 5193834), (4824, 4328195), (6030, 3462556), (8040, 2596917), (12060, 1731278), (24120, 865639)]