20941830

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{2557}}^1$

素因数の和:2590

約数の個数: 96

約数和(自身を含む): 67040064

約数和(自身を除く): 46098234

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 63, 65, 70, 78, 90, 91, 105, 117, 126, 130, 182, 195, 210, 234, 273, 315, 390, 455, 546, 585, 630, 819, 910, 1170, 1365, 1638, 2557, 2730, 4095, 5114, 7671, 8190, 12785, 15342, 17899, 23013, 25570, 33241, 35798, 38355, 46026, 53697, 66482, 76710, 89495, 99723, 107394, 115065, 161091, 166205, 178990, 199446, 230130, 232687, 268485, 299169, 322182, 332410, 465374, 498615, 536970, 598338, 698061, 805455, 997230, 1163435, 1396122, 1495845, 1610910, 2094183, 2326870, 2991690, 3490305, 4188366, 6980610, 10470915, 20941830]

約数ペア:

[(1, 20941830), (2, 10470915), (3, 6980610), (5, 4188366), (6, 3490305), (7, 2991690), (9, 2326870), (10, 2094183), (13, 1610910), (14, 1495845), (15, 1396122), (18, 1163435), (21, 997230), (26, 805455), (30, 698061), (35, 598338), (39, 536970), (42, 498615), (45, 465374), (63, 332410), (65, 322182), (70, 299169), (78, 268485), (90, 232687), (91, 230130), (105, 199446), (117, 178990), (126, 166205), (130, 161091), (182, 115065), (195, 107394), (210, 99723), (234, 89495), (273, 76710), (315, 66482), (390, 53697), (455, 46026), (546, 38355), (585, 35798), (630, 33241), (819, 25570), (910, 23013), (1170, 17899), (1365, 15342), (1638, 12785), (2557, 8190), (2730, 7671), (4095, 5114)]