20074549430

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{443}}^1\times {\mathrm{9421}}^1$

素因数の和:9921

約数の個数: 64

約数和(自身を含む): 40059931968

約数和(自身を除く): 19985382538

約数列:

[1, 2, 5, 10, 13, 26, 37, 65, 74, 130, 185, 370, 443, 481, 886, 962, 2215, 2405, 4430, 4810, 5759, 9421, 11518, 16391, 18842, 28795, 32782, 47105, 57590, 81955, 94210, 122473, 163910, 213083, 244946, 348577, 426166, 612365, 697154, 1065415, 1224730, 1742885, 2130830, 3485770, 4173503, 4531501, 8347006, 9063002, 20867515, 22657505, 41735030, 45315010, 54255539, 108511078, 154419611, 271277695, 308839222, 542555390, 772098055, 1544196110, 2007454943, 4014909886, 10037274715, 20074549430]

約数ペア:

[(1, 20074549430), (2, 10037274715), (5, 4014909886), (10, 2007454943), (13, 1544196110), (26, 772098055), (37, 542555390), (65, 308839222), (74, 271277695), (130, 154419611), (185, 108511078), (370, 54255539), (443, 45315010), (481, 41735030), (886, 22657505), (962, 20867515), (2215, 9063002), (2405, 8347006), (4430, 4531501), (4810, 4173503), (5759, 3485770), (9421, 2130830), (11518, 1742885), (16391, 1224730), (18842, 1065415), (28795, 697154), (32782, 612365), (47105, 426166), (57590, 348577), (81955, 244946), (94210, 213083), (122473, 163910)]