20215548888

素因数分解:

$2^3\times 3^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1\times {\mathrm{52813}}^1$

素因数の和:53252

約数の個数: 64

約数和(自身を含む): 51905599200

約数和(自身を除く): 31690050312

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 41, 82, 123, 164, 246, 328, 389, 492, 778, 984, 1167, 1556, 2334, 3112, 4668, 9336, 15949, 31898, 47847, 52813, 63796, 95694, 105626, 127592, 158439, 191388, 211252, 316878, 382776, 422504, 633756, 1267512, 2165333, 4330666, 6495999, 8661332, 12991998, 17322664, 20544257, 25983996, 41088514, 51967992, 61632771, 82177028, 123265542, 164354056, 246531084, 493062168, 842314537, 1684629074, 2526943611, 3369258148, 5053887222, 6738516296, 10107774444, 20215548888]

約数ペア:

[(1, 20215548888), (2, 10107774444), (3, 6738516296), (4, 5053887222), (6, 3369258148), (8, 2526943611), (12, 1684629074), (24, 842314537), (41, 493062168), (82, 246531084), (123, 164354056), (164, 123265542), (246, 82177028), (328, 61632771), (389, 51967992), (492, 41088514), (778, 25983996), (984, 20544257), (1167, 17322664), (1556, 12991998), (2334, 8661332), (3112, 6495999), (4668, 4330666), (9336, 2165333), (15949, 1267512), (31898, 633756), (47847, 422504), (52813, 382776), (63796, 316878), (95694, 211252), (105626, 191388), (127592, 158439)]