20172888904

素因数分解:

$2^3\times 7^1\times {\mathrm{107}}^1\times {\mathrm{227}}^1\times {\mathrm{14831}}^1$

素因数の和:15178

約数の個数: 64

約数和(自身を含む): 43826780160

約数和(自身を除く): 23653891256

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 107, 214, 227, 428, 454, 749, 856, 908, 1498, 1589, 1816, 2996, 3178, 5992, 6356, 12712, 14831, 24289, 29662, 48578, 59324, 97156, 103817, 118648, 170023, 194312, 207634, 340046, 415268, 680092, 830536, 1360184, 1586917, 3173834, 3366637, 6347668, 6733274, 11108419, 12695336, 13466548, 22216838, 23566459, 26933096, 44433676, 47132918, 88867352, 94265836, 188531672, 360230159, 720460318, 1440920636, 2521611113, 2881841272, 5043222226, 10086444452, 20172888904]

約数ペア:

[(1, 20172888904), (2, 10086444452), (4, 5043222226), (7, 2881841272), (8, 2521611113), (14, 1440920636), (28, 720460318), (56, 360230159), (107, 188531672), (214, 94265836), (227, 88867352), (428, 47132918), (454, 44433676), (749, 26933096), (856, 23566459), (908, 22216838), (1498, 13466548), (1589, 12695336), (1816, 11108419), (2996, 6733274), (3178, 6347668), (5992, 3366637), (6356, 3173834), (12712, 1586917), (14831, 1360184), (24289, 830536), (29662, 680092), (48578, 415268), (59324, 340046), (97156, 207634), (103817, 194312), (118648, 170023)]