20511270

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{373}}^1$

素因数の和:446

約数の個数: 96

約数和(自身を含む): 58810752

約数和(自身を除く): 38299482

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 47, 65, 78, 90, 94, 117, 130, 141, 195, 234, 235, 282, 373, 390, 423, 470, 585, 611, 705, 746, 846, 1119, 1170, 1222, 1410, 1833, 1865, 2115, 2238, 3055, 3357, 3666, 3730, 4230, 4849, 5499, 5595, 6110, 6714, 9165, 9698, 10998, 11190, 14547, 16785, 17531, 18330, 24245, 27495, 29094, 33570, 35062, 43641, 48490, 52593, 54990, 72735, 87282, 87655, 105186, 145470, 157779, 175310, 218205, 227903, 262965, 315558, 436410, 455806, 525930, 683709, 788895, 1139515, 1367418, 1577790, 2051127, 2279030, 3418545, 4102254, 6837090, 10255635, 20511270]

約数ペア:

[(1, 20511270), (2, 10255635), (3, 6837090), (5, 4102254), (6, 3418545), (9, 2279030), (10, 2051127), (13, 1577790), (15, 1367418), (18, 1139515), (26, 788895), (30, 683709), (39, 525930), (45, 455806), (47, 436410), (65, 315558), (78, 262965), (90, 227903), (94, 218205), (117, 175310), (130, 157779), (141, 145470), (195, 105186), (234, 87655), (235, 87282), (282, 72735), (373, 54990), (390, 52593), (423, 48490), (470, 43641), (585, 35062), (611, 33570), (705, 29094), (746, 27495), (846, 24245), (1119, 18330), (1170, 17531), (1222, 16785), (1410, 14547), (1833, 11190), (1865, 10998), (2115, 9698), (2238, 9165), (3055, 6714), (3357, 6110), (3666, 5595), (3730, 5499), (4230, 4849)]