20747029232

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{1663}}^1\times {\mathrm{8761}}^1$

素因数の和:10521

約数の個数: 40

約数和(自身を含む): 40678110720

約数和(自身を除く): 19931081488

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 1663, 3326, 6652, 8761, 13304, 17522, 26608, 35044, 70088, 140176, 148007, 296014, 592028, 779729, 1184056, 1559458, 2368112, 3118916, 6237832, 12475664, 14569543, 29139086, 58278172, 116556344, 233112688, 1296689327, 2593378654, 5186757308, 10373514616, 20747029232]

約数ペア:

[(1, 20747029232), (2, 10373514616), (4, 5186757308), (8, 2593378654), (16, 1296689327), (89, 233112688), (178, 116556344), (356, 58278172), (712, 29139086), (1424, 14569543), (1663, 12475664), (3326, 6237832), (6652, 3118916), (8761, 2368112), (13304, 1559458), (17522, 1184056), (26608, 779729), (35044, 592028), (70088, 296014), (140176, 148007)]