2020003715

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{9421}}^1$

素因数の和:9543

約数の個数: 32

約数和(自身を含む): 2663787840

約数和(自身を除く): 643784125

約数列:

[1, 5, 19, 37, 61, 95, 185, 305, 703, 1159, 2257, 3515, 5795, 9421, 11285, 42883, 47105, 178999, 214415, 348577, 574681, 894995, 1742885, 2873405, 6622963, 10918939, 21263197, 33114815, 54594695, 106315985, 404000743, 2020003715]

約数ペア:

[(1, 2020003715), (5, 404000743), (19, 106315985), (37, 54594695), (61, 33114815), (95, 21263197), (185, 10918939), (305, 6622963), (703, 2873405), (1159, 1742885), (2257, 894995), (3515, 574681), (5795, 348577), (9421, 214415), (11285, 178999), (42883, 47105)]