20173086800

素因数分解:

$2^4\times 5^2\times {\mathrm{727}}^1\times {\mathrm{69371}}^1$

素因数の和:70116

約数の個数: 60

約数和(自身を含む): 48533206176

約数和(自身を除く): 28360119376

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 200, 400, 727, 1454, 2908, 3635, 5816, 7270, 11632, 14540, 18175, 29080, 36350, 58160, 69371, 72700, 138742, 145400, 277484, 290800, 346855, 554968, 693710, 1109936, 1387420, 1734275, 2774840, 3468550, 5549680, 6937100, 13874200, 27748400, 50432717, 100865434, 201730868, 252163585, 403461736, 504327170, 806923472, 1008654340, 1260817925, 2017308680, 2521635850, 4034617360, 5043271700, 10086543400, 20173086800]

約数ペア:

[(1, 20173086800), (2, 10086543400), (4, 5043271700), (5, 4034617360), (8, 2521635850), (10, 2017308680), (16, 1260817925), (20, 1008654340), (25, 806923472), (40, 504327170), (50, 403461736), (80, 252163585), (100, 201730868), (200, 100865434), (400, 50432717), (727, 27748400), (1454, 13874200), (2908, 6937100), (3635, 5549680), (5816, 3468550), (7270, 2774840), (11632, 1734275), (14540, 1387420), (18175, 1109936), (29080, 693710), (36350, 554968), (58160, 346855), (69371, 290800), (72700, 277484), (138742, 145400)]