20444436

素因数分解:

$2^2\times 3^2\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1$

素因数の和:381

約数の個数: 72

約数和(自身を含む): 54198144

約数和(自身を除く): 33753708

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 43, 47, 86, 94, 129, 141, 172, 188, 258, 281, 282, 387, 423, 516, 562, 564, 774, 843, 846, 1124, 1548, 1686, 1692, 2021, 2529, 3372, 4042, 5058, 6063, 8084, 10116, 12083, 12126, 13207, 18189, 24166, 24252, 26414, 36249, 36378, 39621, 48332, 52828, 72498, 72756, 79242, 108747, 118863, 144996, 158484, 217494, 237726, 434988, 475452, 567901, 1135802, 1703703, 2271604, 3407406, 5111109, 6814812, 10222218, 20444436]

約数ペア:

[(1, 20444436), (2, 10222218), (3, 6814812), (4, 5111109), (6, 3407406), (9, 2271604), (12, 1703703), (18, 1135802), (36, 567901), (43, 475452), (47, 434988), (86, 237726), (94, 217494), (129, 158484), (141, 144996), (172, 118863), (188, 108747), (258, 79242), (281, 72756), (282, 72498), (387, 52828), (423, 48332), (516, 39621), (562, 36378), (564, 36249), (774, 26414), (843, 24252), (846, 24166), (1124, 18189), (1548, 13207), (1686, 12126), (1692, 12083), (2021, 10116), (2529, 8084), (3372, 6063), (4042, 5058)]