20239893612

素因数分解:

$2^2\times 3^2\times {\mathrm{643}}^1\times {\mathrm{877}}^1\times {\mathrm{997}}^1$

素因数の和:2527

約数の個数: 72

約数和(自身を含む): 51351403376

約数和(自身を除く): 31111509764

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 643, 877, 997, 1286, 1754, 1929, 1994, 2572, 2631, 2991, 3508, 3858, 3988, 5262, 5787, 5982, 7716, 7893, 8973, 10524, 11574, 11964, 15786, 17946, 23148, 31572, 35892, 563911, 641071, 874369, 1127822, 1282142, 1691733, 1748738, 1923213, 2255644, 2564284, 2623107, 3383466, 3497476, 3846426, 5075199, 5246214, 5769639, 6766932, 7692852, 7869321, 10150398, 10492428, 11539278, 15738642, 20300796, 23078556, 31477284, 562219267, 1124438534, 1686657801, 2248877068, 3373315602, 5059973403, 6746631204, 10119946806, 20239893612]

約数ペア:

[(1, 20239893612), (2, 10119946806), (3, 6746631204), (4, 5059973403), (6, 3373315602), (9, 2248877068), (12, 1686657801), (18, 1124438534), (36, 562219267), (643, 31477284), (877, 23078556), (997, 20300796), (1286, 15738642), (1754, 11539278), (1929, 10492428), (1994, 10150398), (2572, 7869321), (2631, 7692852), (2991, 6766932), (3508, 5769639), (3858, 5246214), (3988, 5075199), (5262, 3846426), (5787, 3497476), (5982, 3383466), (7716, 2623107), (7893, 2564284), (8973, 2255644), (10524, 1923213), (11574, 1748738), (11964, 1691733), (15786, 1282142), (17946, 1127822), (23148, 874369), (31572, 641071), (35892, 563911)]