20175155632

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{509}}^2$

素因数の和:1214

約数の個数: 60

約数和(自身を含む): 40687254976

約数和(自身を除く): 20512099344

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 157, 248, 314, 496, 509, 628, 1018, 1256, 2036, 2512, 4072, 4867, 8144, 9734, 15779, 19468, 31558, 38936, 63116, 77872, 79913, 126232, 159826, 252464, 259081, 319652, 518162, 639304, 1036324, 1278608, 2072648, 2477303, 4145296, 4954606, 8031511, 9909212, 16063022, 19818424, 32126044, 39636848, 40675717, 64252088, 81351434, 128504176, 162702868, 325405736, 650811472, 1260947227, 2521894454, 5043788908, 10087577816, 20175155632]

約数ペア:

[(1, 20175155632), (2, 10087577816), (4, 5043788908), (8, 2521894454), (16, 1260947227), (31, 650811472), (62, 325405736), (124, 162702868), (157, 128504176), (248, 81351434), (314, 64252088), (496, 40675717), (509, 39636848), (628, 32126044), (1018, 19818424), (1256, 16063022), (2036, 9909212), (2512, 8031511), (4072, 4954606), (4867, 4145296), (8144, 2477303), (9734, 2072648), (15779, 1278608), (19468, 1036324), (31558, 639304), (38936, 518162), (63116, 319652), (77872, 259081), (79913, 252464), (126232, 159826)]