20121601163344

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{66189477511}}^1$

素因数の和:66189477538

約数の個数: 20

約数和(自身を含む): 41037476057440

約数和(自身を除く): 20915874894096

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 66189477511, 132378955022, 264757910044, 529515820088, 1059031640176, 1257600072709, 2515200145418, 5030400290836, 10060800581672, 20121601163344]

約数ペア:

[(1, 20121601163344), (2, 10060800581672), (4, 5030400290836), (8, 2515200145418), (16, 1257600072709), (19, 1059031640176), (38, 529515820088), (76, 264757910044), (152, 132378955022), (304, 66189477511)]