20348549840

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14962169}}^1$

素因数の和:14962199

約数の個数: 40

約数和(自身を含む): 50093345160

約数和(自身を除く): 29744795320

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 14962169, 29924338, 59848676, 74810845, 119697352, 149621690, 239394704, 254356873, 299243380, 508713746, 598486760, 1017427492, 1196973520, 1271784365, 2034854984, 2543568730, 4069709968, 5087137460, 10174274920, 20348549840]

約数ペア:

[(1, 20348549840), (2, 10174274920), (4, 5087137460), (5, 4069709968), (8, 2543568730), (10, 2034854984), (16, 1271784365), (17, 1196973520), (20, 1017427492), (34, 598486760), (40, 508713746), (68, 299243380), (80, 254356873), (85, 239394704), (136, 149621690), (170, 119697352), (272, 74810845), (340, 59848676), (680, 29924338), (1360, 14962169)]