20679336

素因数分解:

$2^3\times 3^2\times {\mathrm{503}}^1\times {\mathrm{571}}^1$

素因数の和:1086

約数の個数: 48

約数和(自身を含む): 56216160

約数和(自身を除く): 35536824

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 503, 571, 1006, 1142, 1509, 1713, 2012, 2284, 3018, 3426, 4024, 4527, 4568, 5139, 6036, 6852, 9054, 10278, 12072, 13704, 18108, 20556, 36216, 41112, 287213, 574426, 861639, 1148852, 1723278, 2297704, 2584917, 3446556, 5169834, 6893112, 10339668, 20679336]

約数ペア:

[(1, 20679336), (2, 10339668), (3, 6893112), (4, 5169834), (6, 3446556), (8, 2584917), (9, 2297704), (12, 1723278), (18, 1148852), (24, 861639), (36, 574426), (72, 287213), (503, 41112), (571, 36216), (1006, 20556), (1142, 18108), (1509, 13704), (1713, 12072), (2012, 10278), (2284, 9054), (3018, 6852), (3426, 6036), (4024, 5139), (4527, 4568)]