20577690

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{367}}^1$

素因数の和:476

約数の個数: 96

約数和(自身を含む): 62000640

約数和(自身を除く): 41422950

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 89, 90, 105, 126, 178, 210, 267, 315, 367, 445, 534, 623, 630, 734, 801, 890, 1101, 1246, 1335, 1602, 1835, 1869, 2202, 2569, 2670, 3115, 3303, 3670, 3738, 4005, 5138, 5505, 5607, 6230, 6606, 7707, 8010, 9345, 11010, 11214, 12845, 15414, 16515, 18690, 23121, 25690, 28035, 32663, 33030, 38535, 46242, 56070, 65326, 77070, 97989, 115605, 163315, 195978, 228641, 231210, 293967, 326630, 457282, 489945, 587934, 685923, 979890, 1143205, 1371846, 1469835, 2057769, 2286410, 2939670, 3429615, 4115538, 6859230, 10288845, 20577690]

約数ペア:

[(1, 20577690), (2, 10288845), (3, 6859230), (5, 4115538), (6, 3429615), (7, 2939670), (9, 2286410), (10, 2057769), (14, 1469835), (15, 1371846), (18, 1143205), (21, 979890), (30, 685923), (35, 587934), (42, 489945), (45, 457282), (63, 326630), (70, 293967), (89, 231210), (90, 228641), (105, 195978), (126, 163315), (178, 115605), (210, 97989), (267, 77070), (315, 65326), (367, 56070), (445, 46242), (534, 38535), (623, 33030), (630, 32663), (734, 28035), (801, 25690), (890, 23121), (1101, 18690), (1246, 16515), (1335, 15414), (1602, 12845), (1835, 11214), (1869, 11010), (2202, 9345), (2569, 8010), (2670, 7707), (3115, 6606), (3303, 6230), (3670, 5607), (3738, 5505), (4005, 5138)]