20005573216

素因数分解:

$2^5\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{213881}}^1$

素因数の和:214007

約数の個数: 48

約数和(自身を含む): 40962680640

約数和(自身を除く): 20957107424

約数列:

[1, 2, 4, 8, 16, 32, 37, 74, 79, 148, 158, 296, 316, 592, 632, 1184, 1264, 2528, 2923, 5846, 11692, 23384, 46768, 93536, 213881, 427762, 855524, 1711048, 3422096, 6844192, 7913597, 15827194, 16896599, 31654388, 33793198, 63308776, 67586396, 126617552, 135172792, 253235104, 270345584, 540691168, 625174163, 1250348326, 2500696652, 5001393304, 10002786608, 20005573216]

約数ペア:

[(1, 20005573216), (2, 10002786608), (4, 5001393304), (8, 2500696652), (16, 1250348326), (32, 625174163), (37, 540691168), (74, 270345584), (79, 253235104), (148, 135172792), (158, 126617552), (296, 67586396), (316, 63308776), (592, 33793198), (632, 31654388), (1184, 16896599), (1264, 15827194), (2528, 7913597), (2923, 6844192), (5846, 3422096), (11692, 1711048), (23384, 855524), (46768, 427762), (93536, 213881)]