20376200

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{461}}^1$

素因数の和:507

約数の個数: 96

約数和(自身を含む): 54137160

約数和(自身を除く): 33760960

約数列:

[1, 2, 4, 5, 8, 10, 13, 17, 20, 25, 26, 34, 40, 50, 52, 65, 68, 85, 100, 104, 130, 136, 170, 200, 221, 260, 325, 340, 425, 442, 461, 520, 650, 680, 850, 884, 922, 1105, 1300, 1700, 1768, 1844, 2210, 2305, 2600, 3400, 3688, 4420, 4610, 5525, 5993, 7837, 8840, 9220, 11050, 11525, 11986, 15674, 18440, 22100, 23050, 23972, 29965, 31348, 39185, 44200, 46100, 47944, 59930, 62696, 78370, 92200, 101881, 119860, 149825, 156740, 195925, 203762, 239720, 299650, 313480, 391850, 407524, 509405, 599300, 783700, 815048, 1018810, 1198600, 1567400, 2037620, 2547025, 4075240, 5094050, 10188100, 20376200]

約数ペア:

[(1, 20376200), (2, 10188100), (4, 5094050), (5, 4075240), (8, 2547025), (10, 2037620), (13, 1567400), (17, 1198600), (20, 1018810), (25, 815048), (26, 783700), (34, 599300), (40, 509405), (50, 407524), (52, 391850), (65, 313480), (68, 299650), (85, 239720), (100, 203762), (104, 195925), (130, 156740), (136, 149825), (170, 119860), (200, 101881), (221, 92200), (260, 78370), (325, 62696), (340, 59930), (425, 47944), (442, 46100), (461, 44200), (520, 39185), (650, 31348), (680, 29965), (850, 23972), (884, 23050), (922, 22100), (1105, 18440), (1300, 15674), (1700, 11986), (1768, 11525), (1844, 11050), (2210, 9220), (2305, 8840), (2600, 7837), (3400, 5993), (3688, 5525), (4420, 4610)]