20793241625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{30539}}^1$

素因数の和:30986

約数の個数: 32

約数和(自身を含む): 28013731200

約数和(自身を除く): 7220489575

約数列:

[1, 5, 13, 25, 65, 125, 325, 419, 1625, 2095, 5447, 10475, 27235, 30539, 52375, 136175, 152695, 397007, 680875, 763475, 1985035, 3817375, 9925175, 12795841, 49625875, 63979205, 166345933, 319896025, 831729665, 1599480125, 4158648325, 20793241625]

約数ペア:

[(1, 20793241625), (5, 4158648325), (13, 1599480125), (25, 831729665), (65, 319896025), (125, 166345933), (325, 63979205), (419, 49625875), (1625, 12795841), (2095, 9925175), (5447, 3817375), (10475, 1985035), (27235, 763475), (30539, 680875), (52375, 397007), (136175, 152695)]