20197710

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{283}}^1$

素因数の和:370

約数の個数: 96

約数和(自身を含む): 57683808

約数和(自身を除く): 37486098

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 39, 45, 61, 65, 78, 90, 117, 122, 130, 183, 195, 234, 283, 305, 366, 390, 549, 566, 585, 610, 793, 849, 915, 1098, 1170, 1415, 1586, 1698, 1830, 2379, 2547, 2745, 2830, 3679, 3965, 4245, 4758, 5094, 5490, 7137, 7358, 7930, 8490, 11037, 11895, 12735, 14274, 17263, 18395, 22074, 23790, 25470, 33111, 34526, 35685, 36790, 51789, 55185, 66222, 71370, 86315, 103578, 110370, 155367, 165555, 172630, 224419, 258945, 310734, 331110, 448838, 517890, 673257, 776835, 1122095, 1346514, 1553670, 2019771, 2244190, 3366285, 4039542, 6732570, 10098855, 20197710]

約数ペア:

[(1, 20197710), (2, 10098855), (3, 6732570), (5, 4039542), (6, 3366285), (9, 2244190), (10, 2019771), (13, 1553670), (15, 1346514), (18, 1122095), (26, 776835), (30, 673257), (39, 517890), (45, 448838), (61, 331110), (65, 310734), (78, 258945), (90, 224419), (117, 172630), (122, 165555), (130, 155367), (183, 110370), (195, 103578), (234, 86315), (283, 71370), (305, 66222), (366, 55185), (390, 51789), (549, 36790), (566, 35685), (585, 34526), (610, 33111), (793, 25470), (849, 23790), (915, 22074), (1098, 18395), (1170, 17263), (1415, 14274), (1586, 12735), (1698, 11895), (1830, 11037), (2379, 8490), (2547, 7930), (2745, 7358), (2830, 7137), (3679, 5490), (3965, 5094), (4245, 4758)]