20249480979

素因数分解:

$3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{47639}}^1$

素因数の和:47841

約数の個数: 64

約数和(自身を含む): 37136332800

約数和(自身を除く): 16886851821

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 63, 91, 117, 173, 189, 273, 351, 519, 819, 1211, 1557, 2249, 2457, 3633, 4671, 6747, 10899, 15743, 20241, 32697, 47229, 47639, 60723, 141687, 142917, 333473, 425061, 428751, 619307, 1000419, 1286253, 1857921, 3001257, 4335149, 5573763, 8241547, 9003771, 13005447, 16721289, 24724641, 39016341, 57690829, 74173923, 107140111, 117049023, 173072487, 222521769, 321420333, 519217461, 749980777, 964260999, 1557652383, 2249942331, 2892782997, 6749826993, 20249480979]

約数ペア:

[(1, 20249480979), (3, 6749826993), (7, 2892782997), (9, 2249942331), (13, 1557652383), (21, 964260999), (27, 749980777), (39, 519217461), (63, 321420333), (91, 222521769), (117, 173072487), (173, 117049023), (189, 107140111), (273, 74173923), (351, 57690829), (519, 39016341), (819, 24724641), (1211, 16721289), (1557, 13005447), (2249, 9003771), (2457, 8241547), (3633, 5573763), (4671, 4335149), (6747, 3001257), (10899, 1857921), (15743, 1286253), (20241, 1000419), (32697, 619307), (47229, 428751), (47639, 425061), (60723, 333473), (141687, 142917)]