20147490896

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{1587917}}^1$

素因数の和:1587999

約数の個数: 40

約数和(自身を含む): 42727697544

約数和(自身を除く): 22580206648

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 6344, 12688, 1587917, 3175834, 6351668, 12703336, 20642921, 25406672, 41285842, 82571684, 96862937, 165143368, 193725874, 330286736, 387451748, 774903496, 1259218181, 1549806992, 2518436362, 5036872724, 10073745448, 20147490896]

約数ペア:

[(1, 20147490896), (2, 10073745448), (4, 5036872724), (8, 2518436362), (13, 1549806992), (16, 1259218181), (26, 774903496), (52, 387451748), (61, 330286736), (104, 193725874), (122, 165143368), (208, 96862937), (244, 82571684), (488, 41285842), (793, 25406672), (976, 20642921), (1586, 12703336), (3172, 6351668), (6344, 3175834), (12688, 1587917)]