20174891264

素因数分解:

$2^8\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{231109}}^1$

素因数の和:231167

約数の個数: 72

約数和(自身を含む): 45349328640

約数和(自身を除く): 25174437376

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 128, 176, 248, 256, 341, 352, 496, 682, 704, 992, 1364, 1408, 1984, 2728, 2816, 3968, 5456, 7936, 10912, 21824, 43648, 87296, 231109, 462218, 924436, 1848872, 2542199, 3697744, 5084398, 7164379, 7395488, 10168796, 14328758, 14790976, 20337592, 28657516, 29581952, 40675184, 57315032, 59163904, 78808169, 81350368, 114630064, 157616338, 162700736, 229260128, 315232676, 325401472, 458520256, 630465352, 650802944, 917040512, 1260930704, 1834081024, 2521861408, 5043722816, 10087445632, 20174891264]

約数ペア:

[(1, 20174891264), (2, 10087445632), (4, 5043722816), (8, 2521861408), (11, 1834081024), (16, 1260930704), (22, 917040512), (31, 650802944), (32, 630465352), (44, 458520256), (62, 325401472), (64, 315232676), (88, 229260128), (124, 162700736), (128, 157616338), (176, 114630064), (248, 81350368), (256, 78808169), (341, 59163904), (352, 57315032), (496, 40675184), (682, 29581952), (704, 28657516), (992, 20337592), (1364, 14790976), (1408, 14328758), (1984, 10168796), (2728, 7395488), (2816, 7164379), (3968, 5084398), (5456, 3697744), (7936, 2542199), (10912, 1848872), (21824, 924436), (43648, 462218), (87296, 231109)]