20167550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1$

素因数の和:138

約数の個数: 96

約数和(自身を含む): 44997120

約数和(自身を除く): 24829570

約数列:

[1, 2, 5, 10, 13, 19, 23, 25, 26, 38, 46, 50, 65, 71, 95, 115, 130, 142, 190, 230, 247, 299, 325, 355, 437, 475, 494, 575, 598, 650, 710, 874, 923, 950, 1150, 1235, 1349, 1495, 1633, 1775, 1846, 2185, 2470, 2698, 2990, 3266, 3550, 4370, 4615, 5681, 6175, 6745, 7475, 8165, 9230, 10925, 11362, 12350, 13490, 14950, 16330, 17537, 21229, 21850, 23075, 28405, 31027, 33725, 35074, 40825, 42458, 46150, 56810, 62054, 67450, 81650, 87685, 106145, 142025, 155135, 175370, 212290, 284050, 310270, 403351, 438425, 530725, 775675, 806702, 876850, 1061450, 1551350, 2016755, 4033510, 10083775, 20167550]

約数ペア:

[(1, 20167550), (2, 10083775), (5, 4033510), (10, 2016755), (13, 1551350), (19, 1061450), (23, 876850), (25, 806702), (26, 775675), (38, 530725), (46, 438425), (50, 403351), (65, 310270), (71, 284050), (95, 212290), (115, 175370), (130, 155135), (142, 142025), (190, 106145), (230, 87685), (247, 81650), (299, 67450), (325, 62054), (355, 56810), (437, 46150), (475, 42458), (494, 40825), (575, 35074), (598, 33725), (650, 31027), (710, 28405), (874, 23075), (923, 21850), (950, 21229), (1150, 17537), (1235, 16330), (1349, 14950), (1495, 13490), (1633, 12350), (1775, 11362), (1846, 10925), (2185, 9230), (2470, 8165), (2698, 7475), (2990, 6745), (3266, 6175), (3550, 5681), (4370, 4615)]