20237792500

素因数分解:

$2^2\times 5^4\times {\mathrm{491}}^1\times {\mathrm{16487}}^1$

素因数の和:17002

約数の個数: 60

約数和(自身を含む): 44348828832

約数和(自身を除く): 24111036332

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 250, 491, 500, 625, 982, 1250, 1964, 2455, 2500, 4910, 9820, 12275, 16487, 24550, 32974, 49100, 61375, 65948, 82435, 122750, 164870, 245500, 306875, 329740, 412175, 613750, 824350, 1227500, 1648700, 2060875, 4121750, 8095117, 8243500, 10304375, 16190234, 20608750, 32380468, 40475585, 41217500, 80951170, 161902340, 202377925, 404755850, 809511700, 1011889625, 2023779250, 4047558500, 5059448125, 10118896250, 20237792500]

約数ペア:

[(1, 20237792500), (2, 10118896250), (4, 5059448125), (5, 4047558500), (10, 2023779250), (20, 1011889625), (25, 809511700), (50, 404755850), (100, 202377925), (125, 161902340), (250, 80951170), (491, 41217500), (500, 40475585), (625, 32380468), (982, 20608750), (1250, 16190234), (1964, 10304375), (2455, 8243500), (2500, 8095117), (4910, 4121750), (9820, 2060875), (12275, 1648700), (16487, 1227500), (24550, 824350), (32974, 613750), (49100, 412175), (61375, 329740), (65948, 306875), (82435, 245500), (122750, 164870)]