20647332

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{5167}}^1$

素因数の和:5217

約数の個数: 48

約数和(自身を含む): 54987520

約数和(自身を除く): 34340188

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3996, 5167, 10334, 15501, 20668, 31002, 46503, 62004, 93006, 139509, 186012, 191179, 279018, 382358, 558036, 573537, 764716, 1147074, 1720611, 2294148, 3441222, 5161833, 6882444, 10323666, 20647332]

約数ペア:

[(1, 20647332), (2, 10323666), (3, 6882444), (4, 5161833), (6, 3441222), (9, 2294148), (12, 1720611), (18, 1147074), (27, 764716), (36, 573537), (37, 558036), (54, 382358), (74, 279018), (108, 191179), (111, 186012), (148, 139509), (222, 93006), (333, 62004), (444, 46503), (666, 31002), (999, 20668), (1332, 15501), (1998, 10334), (3996, 5167)]