20147296

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2549}}^1$

素因数の和:2591

約数の個数: 48

約数和(自身を含む): 44982000

約数和(自身を除く): 24834704

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 32, 38, 52, 76, 104, 152, 208, 247, 304, 416, 494, 608, 988, 1976, 2549, 3952, 5098, 7904, 10196, 20392, 33137, 40784, 48431, 66274, 81568, 96862, 132548, 193724, 265096, 387448, 530192, 629603, 774896, 1060384, 1259206, 1549792, 2518412, 5036824, 10073648, 20147296]

約数ペア:

[(1, 20147296), (2, 10073648), (4, 5036824), (8, 2518412), (13, 1549792), (16, 1259206), (19, 1060384), (26, 774896), (32, 629603), (38, 530192), (52, 387448), (76, 265096), (104, 193724), (152, 132548), (208, 96862), (247, 81568), (304, 66274), (416, 48431), (494, 40784), (608, 33137), (988, 20392), (1976, 10196), (2549, 7904), (3952, 5098)]