20013670784

素因数分解:

$2^7\times {\mathrm{17}}^2\times {\mathrm{541027}}^1$

素因数の和:541075

約数の個数: 48

約数和(自身を含む): 42354376980

約数和(自身を除く): 22340706196

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 128, 136, 272, 289, 544, 578, 1088, 1156, 2176, 2312, 4624, 9248, 18496, 36992, 541027, 1082054, 2164108, 4328216, 8656432, 9197459, 17312864, 18394918, 34625728, 36789836, 69251456, 73579672, 147159344, 156356803, 294318688, 312713606, 588637376, 625427212, 1177274752, 1250854424, 2501708848, 5003417696, 10006835392, 20013670784]

約数ペア:

[(1, 20013670784), (2, 10006835392), (4, 5003417696), (8, 2501708848), (16, 1250854424), (17, 1177274752), (32, 625427212), (34, 588637376), (64, 312713606), (68, 294318688), (128, 156356803), (136, 147159344), (272, 73579672), (289, 69251456), (544, 36789836), (578, 34625728), (1088, 18394918), (1156, 17312864), (2176, 9197459), (2312, 8656432), (4624, 4328216), (9248, 2164108), (18496, 1082054), (36992, 541027)]