20131644020

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{1709}}^1\times {\mathrm{11113}}^1$

素因数の和:12884

約数の個数: 48

約数和(自身を含む): 43103203920

約数和(自身を除く): 22971559900

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 1709, 3418, 6836, 8545, 11113, 17090, 22226, 34180, 44452, 55565, 90577, 111130, 181154, 222260, 362308, 452885, 588989, 905770, 1177978, 1811540, 2355956, 2944945, 5889890, 11779780, 18992117, 37984234, 75968468, 94960585, 189921170, 379842340, 1006582201, 2013164402, 4026328804, 5032911005, 10065822010, 20131644020]

約数ペア:

[(1, 20131644020), (2, 10065822010), (4, 5032911005), (5, 4026328804), (10, 2013164402), (20, 1006582201), (53, 379842340), (106, 189921170), (212, 94960585), (265, 75968468), (530, 37984234), (1060, 18992117), (1709, 11779780), (3418, 5889890), (6836, 2944945), (8545, 2355956), (11113, 1811540), (17090, 1177978), (22226, 905770), (34180, 588989), (44452, 452885), (55565, 362308), (90577, 222260), (111130, 181154)]