20177482768

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{1993}}^1\times {\mathrm{13463}}^1$

素因数の和:15511

約数の個数: 40

約数和(自身を含む): 39948657408

約数和(自身を除く): 19771174640

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 376, 752, 1993, 3986, 7972, 13463, 15944, 26926, 31888, 53852, 93671, 107704, 187342, 215408, 374684, 632761, 749368, 1265522, 1498736, 2531044, 5062088, 10124176, 26831759, 53663518, 107327036, 214654072, 429308144, 1261092673, 2522185346, 5044370692, 10088741384, 20177482768]

約数ペア:

[(1, 20177482768), (2, 10088741384), (4, 5044370692), (8, 2522185346), (16, 1261092673), (47, 429308144), (94, 214654072), (188, 107327036), (376, 53663518), (752, 26831759), (1993, 10124176), (3986, 5062088), (7972, 2531044), (13463, 1498736), (15944, 1265522), (26926, 749368), (31888, 632761), (53852, 374684), (93671, 215408), (107704, 187342)]