20189719175

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{3083}}^1\times {\mathrm{6389}}^1$

素因数の和:9523

約数の個数: 24

約数和(自身を含む): 25658201520

約数和(自身を除く): 5468482345

約数列:

[1, 5, 25, 41, 205, 1025, 3083, 6389, 15415, 31945, 77075, 126403, 159725, 261949, 632015, 1309745, 3160075, 6548725, 19697287, 98486435, 492432175, 807588767, 4037943835, 20189719175]

約数ペア:

[(1, 20189719175), (5, 4037943835), (25, 807588767), (41, 492432175), (205, 98486435), (1025, 19697287), (3083, 6548725), (6389, 3160075), (15415, 1309745), (31945, 632015), (77075, 261949), (126403, 159725)]