20000704

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{593}}^1$

素因数の和:653

約数の個数: 56

約数和(自身を含む): 43452288

約数和(自身を除く): 23451584

約数列:

[1, 2, 4, 8, 16, 17, 31, 32, 34, 62, 64, 68, 124, 136, 248, 272, 496, 527, 544, 593, 992, 1054, 1088, 1186, 1984, 2108, 2372, 4216, 4744, 8432, 9488, 10081, 16864, 18383, 18976, 20162, 33728, 36766, 37952, 40324, 73532, 80648, 147064, 161296, 294128, 312511, 322592, 588256, 625022, 645184, 1176512, 1250044, 2500088, 5000176, 10000352, 20000704]

約数ペア:

[(1, 20000704), (2, 10000352), (4, 5000176), (8, 2500088), (16, 1250044), (17, 1176512), (31, 645184), (32, 625022), (34, 588256), (62, 322592), (64, 312511), (68, 294128), (124, 161296), (136, 147064), (248, 80648), (272, 73532), (496, 40324), (527, 37952), (544, 36766), (593, 33728), (992, 20162), (1054, 18976), (1088, 18383), (1186, 16864), (1984, 10081), (2108, 9488), (2372, 8432), (4216, 4744)]