20201471990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{467}}^1\times {\mathrm{617971}}^1$

素因数の和:618452

約数の個数: 32

約数和(自身を含む): 41646369024

約数和(自身を除く): 21444897034

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 467, 934, 2335, 3269, 4670, 6538, 16345, 32690, 617971, 1235942, 3089855, 4325797, 6179710, 8651594, 21628985, 43257970, 288592457, 577184914, 1442962285, 2020147199, 2885924570, 4040294398, 10100735995, 20201471990]

約数ペア:

[(1, 20201471990), (2, 10100735995), (5, 4040294398), (7, 2885924570), (10, 2020147199), (14, 1442962285), (35, 577184914), (70, 288592457), (467, 43257970), (934, 21628985), (2335, 8651594), (3269, 6179710), (4670, 4325797), (6538, 3089855), (16345, 1235942), (32690, 617971)]