20144859975

素因数分解:

$3^4\times 5^2\times {\mathrm{37}}^1\times {\mathrm{313}}^1\times {\mathrm{859}}^1$

素因数の和:1231

約数の個数: 120

約数和(自身を含む): 38490961520

約数和(自身を除く): 18346101545

約数列:

[1, 3, 5, 9, 15, 25, 27, 37, 45, 75, 81, 111, 135, 185, 225, 313, 333, 405, 555, 675, 859, 925, 939, 999, 1565, 1665, 2025, 2577, 2775, 2817, 2997, 4295, 4695, 4995, 7731, 7825, 8325, 8451, 11581, 12885, 14085, 14985, 21475, 23193, 23475, 24975, 25353, 31783, 34743, 38655, 42255, 57905, 64425, 69579, 70425, 74925, 95349, 104229, 115965, 126765, 158915, 173715, 193275, 211275, 268867, 286047, 289525, 312687, 347895, 476745, 521145, 579825, 633825, 794575, 806601, 858141, 868575, 938061, 1344335, 1430235, 1563435, 1739475, 2383725, 2419803, 2574423, 2605725, 4033005, 4290705, 4690305, 6721675, 7151175, 7259409, 7817175, 9948079, 12099015, 12872115, 20165025, 21453525, 21778227, 23451525, 29844237, 36297045, 49740395, 60495075, 64360575, 89532711, 108891135, 149221185, 181485225, 248701975, 268598133, 447663555, 544455675, 746105925, 805794399, 1342990665, 2238317775, 4028971995, 6714953325, 20144859975]

約数ペア:

[(1, 20144859975), (3, 6714953325), (5, 4028971995), (9, 2238317775), (15, 1342990665), (25, 805794399), (27, 746105925), (37, 544455675), (45, 447663555), (75, 268598133), (81, 248701975), (111, 181485225), (135, 149221185), (185, 108891135), (225, 89532711), (313, 64360575), (333, 60495075), (405, 49740395), (555, 36297045), (675, 29844237), (859, 23451525), (925, 21778227), (939, 21453525), (999, 20165025), (1565, 12872115), (1665, 12099015), (2025, 9948079), (2577, 7817175), (2775, 7259409), (2817, 7151175), (2997, 6721675), (4295, 4690305), (4695, 4290705), (4995, 4033005), (7731, 2605725), (7825, 2574423), (8325, 2419803), (8451, 2383725), (11581, 1739475), (12885, 1563435), (14085, 1430235), (14985, 1344335), (21475, 938061), (23193, 868575), (23475, 858141), (24975, 806601), (25353, 794575), (31783, 633825), (34743, 579825), (38655, 521145), (42255, 476745), (57905, 347895), (64425, 312687), (69579, 289525), (70425, 286047), (74925, 268867), (95349, 211275), (104229, 193275), (115965, 173715), (126765, 158915)]