20281569378

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{163}}^1\times {\mathrm{33287}}^1$

素因数の和:33551

約数の個数: 64

約数和(自身を含む): 47167764480

約数和(自身を除く): 26886195102

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 89, 163, 178, 267, 326, 489, 534, 623, 978, 1141, 1246, 1869, 2282, 3423, 3738, 6846, 14507, 29014, 33287, 43521, 66574, 87042, 99861, 101549, 199722, 203098, 233009, 304647, 466018, 609294, 699027, 1398054, 2962543, 5425781, 5925086, 8887629, 10851562, 16277343, 17775258, 20737801, 32554686, 37980467, 41475602, 62213403, 75960934, 113941401, 124426806, 227882802, 482894509, 965789018, 1448683527, 2897367054, 3380261563, 6760523126, 10140784689, 20281569378]

約数ペア:

[(1, 20281569378), (2, 10140784689), (3, 6760523126), (6, 3380261563), (7, 2897367054), (14, 1448683527), (21, 965789018), (42, 482894509), (89, 227882802), (163, 124426806), (178, 113941401), (267, 75960934), (326, 62213403), (489, 41475602), (534, 37980467), (623, 32554686), (978, 20737801), (1141, 17775258), (1246, 16277343), (1869, 10851562), (2282, 8887629), (3423, 5925086), (3738, 5425781), (6846, 2962543), (14507, 1398054), (29014, 699027), (33287, 609294), (43521, 466018), (66574, 304647), (87042, 233009), (99861, 203098), (101549, 199722)]