20121015278

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{500249}}^1$

素因数の和:500301

約数の個数: 48

約数和(自身を含む): 39547764000

約数和(自身を除く): 19426748722

約数列:

[1, 2, 7, 13, 14, 17, 26, 34, 91, 119, 169, 182, 221, 238, 338, 442, 1183, 1547, 2366, 2873, 3094, 5746, 20111, 40222, 500249, 1000498, 3501743, 6503237, 7003486, 8504233, 13006474, 17008466, 45522659, 59529631, 84542081, 91045318, 110555029, 119059262, 169084162, 221110058, 591794567, 773885203, 1183589134, 1437215377, 1547770406, 2874430754, 10060507639, 20121015278]

約数ペア:

[(1, 20121015278), (2, 10060507639), (7, 2874430754), (13, 1547770406), (14, 1437215377), (17, 1183589134), (26, 773885203), (34, 591794567), (91, 221110058), (119, 169084162), (169, 119059262), (182, 110555029), (221, 91045318), (238, 84542081), (338, 59529631), (442, 45522659), (1183, 17008466), (1547, 13006474), (2366, 8504233), (2873, 7003486), (3094, 6503237), (5746, 3501743), (20111, 1000498), (40222, 500249)]