20118123571

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{401231}}^1$

素因数の和:401299

約数の個数: 32

約数和(自身を含む): 26962790400

約数和(自身を除く): 6844666829

約数列:

[1, 7, 13, 19, 29, 91, 133, 203, 247, 377, 551, 1729, 2639, 3857, 7163, 50141, 401231, 2808617, 5216003, 7623389, 11635699, 36512021, 53363723, 81449893, 99104057, 151264087, 221078281, 693728399, 1058848609, 1547547967, 2874017653, 20118123571]

約数ペア:

[(1, 20118123571), (7, 2874017653), (13, 1547547967), (19, 1058848609), (29, 693728399), (91, 221078281), (133, 151264087), (203, 99104057), (247, 81449893), (377, 53363723), (551, 36512021), (1729, 11635699), (2639, 7623389), (3857, 5216003), (7163, 2808617), (50141, 401231)]