20701668

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{1013}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 52468416

約数和(自身を除く): 31766748

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 131, 156, 262, 393, 524, 786, 1013, 1572, 1703, 2026, 3039, 3406, 4052, 5109, 6078, 6812, 10218, 12156, 13169, 20436, 26338, 39507, 52676, 79014, 132703, 158028, 265406, 398109, 530812, 796218, 1592436, 1725139, 3450278, 5175417, 6900556, 10350834, 20701668]

約数ペア:

[(1, 20701668), (2, 10350834), (3, 6900556), (4, 5175417), (6, 3450278), (12, 1725139), (13, 1592436), (26, 796218), (39, 530812), (52, 398109), (78, 265406), (131, 158028), (156, 132703), (262, 79014), (393, 52676), (524, 39507), (786, 26338), (1013, 20436), (1572, 13169), (1703, 12156), (2026, 10218), (3039, 6812), (3406, 6078), (4052, 5109)]