16970460

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21757}}^1$

素因数の和:21782

約数の個数: 48

約数和(自身を含む): 51174816

約数和(自身を除く): 34204356

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 21757, 43514, 65271, 87028, 108785, 130542, 217570, 261084, 282841, 326355, 435140, 565682, 652710, 848523, 1131364, 1305420, 1414205, 1697046, 2828410, 3394092, 4242615, 5656820, 8485230, 16970460]

約数ペア:

[(1, 16970460), (2, 8485230), (3, 5656820), (4, 4242615), (5, 3394092), (6, 2828410), (10, 1697046), (12, 1414205), (13, 1305420), (15, 1131364), (20, 848523), (26, 652710), (30, 565682), (39, 435140), (52, 326355), (60, 282841), (65, 261084), (78, 217570), (130, 130542), (156, 108785), (195, 87028), (260, 65271), (390, 43514), (780, 21757)]