2020476220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{167}}^1\times {\mathrm{971}}^1$

素因数の和:1243

約数の個数: 96

約数和(自身を含む): 4938071040

約数和(自身を除く): 2917594820

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 89, 140, 167, 178, 334, 356, 445, 623, 668, 835, 890, 971, 1169, 1246, 1670, 1780, 1942, 2338, 2492, 3115, 3340, 3884, 4676, 4855, 5845, 6230, 6797, 9710, 11690, 12460, 13594, 14863, 19420, 23380, 27188, 29726, 33985, 59452, 67970, 74315, 86419, 104041, 135940, 148630, 162157, 172838, 208082, 297260, 324314, 345676, 416164, 432095, 520205, 604933, 648628, 810785, 864190, 1040410, 1135099, 1209866, 1621570, 1728380, 2080820, 2270198, 2419732, 3024665, 3243140, 4540396, 5675495, 6049330, 11350990, 12098660, 14431973, 22701980, 28863946, 57727892, 72159865, 101023811, 144319730, 202047622, 288639460, 404095244, 505119055, 1010238110, 2020476220]

約数ペア:

[(1, 2020476220), (2, 1010238110), (4, 505119055), (5, 404095244), (7, 288639460), (10, 202047622), (14, 144319730), (20, 101023811), (28, 72159865), (35, 57727892), (70, 28863946), (89, 22701980), (140, 14431973), (167, 12098660), (178, 11350990), (334, 6049330), (356, 5675495), (445, 4540396), (623, 3243140), (668, 3024665), (835, 2419732), (890, 2270198), (971, 2080820), (1169, 1728380), (1246, 1621570), (1670, 1209866), (1780, 1135099), (1942, 1040410), (2338, 864190), (2492, 810785), (3115, 648628), (3340, 604933), (3884, 520205), (4676, 432095), (4855, 416164), (5845, 345676), (6230, 324314), (6797, 297260), (9710, 208082), (11690, 172838), (12460, 162157), (13594, 148630), (14863, 135940), (19420, 104041), (23380, 86419), (27188, 74315), (29726, 67970), (33985, 59452)]