20201472016

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{1723}}^1\times {\mathrm{66617}}^1$

素因数の和:68359

約数の個数: 40

約数和(自身を含む): 42723988704

約数和(自身を除く): 22522516688

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 1723, 3446, 6892, 13784, 18953, 27568, 37906, 66617, 75812, 133234, 151624, 266468, 303248, 532936, 732787, 1065872, 1465574, 2931148, 5862296, 11724592, 114781091, 229562182, 459124364, 918248728, 1262592001, 1836497456, 2525184002, 5050368004, 10100736008, 20201472016]

約数ペア:

[(1, 20201472016), (2, 10100736008), (4, 5050368004), (8, 2525184002), (11, 1836497456), (16, 1262592001), (22, 918248728), (44, 459124364), (88, 229562182), (176, 114781091), (1723, 11724592), (3446, 5862296), (6892, 2931148), (13784, 1465574), (18953, 1065872), (27568, 732787), (37906, 532936), (66617, 303248), (75812, 266468), (133234, 151624)]