20589296

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{179}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 49996800

約数和(自身を除く): 29407504

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 79, 91, 104, 112, 158, 179, 182, 208, 316, 358, 364, 553, 632, 716, 728, 1027, 1106, 1253, 1264, 1432, 1456, 2054, 2212, 2327, 2506, 2864, 4108, 4424, 4654, 5012, 7189, 8216, 8848, 9308, 10024, 14141, 14378, 16289, 16432, 18616, 20048, 28282, 28756, 32578, 37232, 56564, 57512, 65156, 98987, 113128, 115024, 130312, 183833, 197974, 226256, 260624, 367666, 395948, 735332, 791896, 1286831, 1470664, 1583792, 2573662, 2941328, 5147324, 10294648, 20589296]

約数ペア:

[(1, 20589296), (2, 10294648), (4, 5147324), (7, 2941328), (8, 2573662), (13, 1583792), (14, 1470664), (16, 1286831), (26, 791896), (28, 735332), (52, 395948), (56, 367666), (79, 260624), (91, 226256), (104, 197974), (112, 183833), (158, 130312), (179, 115024), (182, 113128), (208, 98987), (316, 65156), (358, 57512), (364, 56564), (553, 37232), (632, 32578), (716, 28756), (728, 28282), (1027, 20048), (1106, 18616), (1253, 16432), (1264, 16289), (1432, 14378), (1456, 14141), (2054, 10024), (2212, 9308), (2327, 8848), (2506, 8216), (2864, 7189), (4108, 5012), (4424, 4654)]