20929948

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{5669}}^1$

素因数の和:5757

約数の個数: 24

約数和(自身を含む): 40007520

約数和(自身を除く): 19077572

約数列:

[1, 2, 4, 13, 26, 52, 71, 142, 284, 923, 1846, 3692, 5669, 11338, 22676, 73697, 147394, 294788, 402499, 804998, 1609996, 5232487, 10464974, 20929948]

約数ペア:

[(1, 20929948), (2, 10464974), (4, 5232487), (13, 1609996), (26, 804998), (52, 402499), (71, 294788), (142, 147394), (284, 73697), (923, 22676), (1846, 11338), (3692, 5669)]