20902284

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{757}}^1$

素因数の和:839

約数の個数: 72

約数和(自身を含む): 57941520

約数和(自身を除く): 37039236

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 59, 78, 117, 118, 156, 177, 234, 236, 354, 468, 531, 708, 757, 767, 1062, 1514, 1534, 2124, 2271, 2301, 3028, 3068, 4542, 4602, 6813, 6903, 9084, 9204, 9841, 13626, 13806, 19682, 27252, 27612, 29523, 39364, 44663, 59046, 88569, 89326, 118092, 133989, 177138, 178652, 267978, 354276, 401967, 535956, 580619, 803934, 1161238, 1607868, 1741857, 2322476, 3483714, 5225571, 6967428, 10451142, 20902284]

約数ペア:

[(1, 20902284), (2, 10451142), (3, 6967428), (4, 5225571), (6, 3483714), (9, 2322476), (12, 1741857), (13, 1607868), (18, 1161238), (26, 803934), (36, 580619), (39, 535956), (52, 401967), (59, 354276), (78, 267978), (117, 178652), (118, 177138), (156, 133989), (177, 118092), (234, 89326), (236, 88569), (354, 59046), (468, 44663), (531, 39364), (708, 29523), (757, 27612), (767, 27252), (1062, 19682), (1514, 13806), (1534, 13626), (2124, 9841), (2271, 9204), (2301, 9084), (3028, 6903), (3068, 6813), (4542, 4602)]