20175137972

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{179}}^1\times {\mathrm{22669}}^1$

素因数の和:22976

約数の個数: 48

約数和(自身を含む): 39075825600

約数和(自身を除く): 18900687628

約数列:

[1, 2, 4, 11, 22, 44, 113, 179, 226, 358, 452, 716, 1243, 1969, 2486, 3938, 4972, 7876, 20227, 22669, 40454, 45338, 80908, 90676, 222497, 249359, 444994, 498718, 889988, 997436, 2561597, 4057751, 5123194, 8115502, 10246388, 16231004, 28177567, 44635261, 56355134, 89270522, 112710268, 178541044, 458525863, 917051726, 1834103452, 5043784493, 10087568986, 20175137972]

約数ペア:

[(1, 20175137972), (2, 10087568986), (4, 5043784493), (11, 1834103452), (22, 917051726), (44, 458525863), (113, 178541044), (179, 112710268), (226, 89270522), (358, 56355134), (452, 44635261), (716, 28177567), (1243, 16231004), (1969, 10246388), (2486, 8115502), (3938, 5123194), (4972, 4057751), (7876, 2561597), (20227, 997436), (22669, 889988), (40454, 498718), (45338, 444994), (80908, 249359), (90676, 222497)]