20124654893

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{79}}^1\times {\mathrm{97}}^1\times {\mathrm{761}}^1$

素因数の和:990

約数の個数: 64

約数和(自身を含む): 25808025600

約数和(自身を除く): 5683370707

約数列:

[1, 7, 17, 29, 79, 97, 119, 203, 493, 553, 679, 761, 1343, 1649, 2291, 2813, 3451, 5327, 7663, 9401, 11543, 12937, 16037, 19691, 22069, 38947, 47821, 53641, 60119, 73817, 90559, 130271, 154483, 222227, 272629, 334747, 375173, 420833, 516719, 911897, 1022023, 1254889, 1555589, 1743451, 2140693, 2626211, 3777859, 5831543, 7154161, 8784223, 12204157, 14984851, 26445013, 29638667, 36391781, 40820801, 99136231, 169114747, 207470669, 254742467, 693953617, 1183803229, 2874950699, 20124654893]

約数ペア:

[(1, 20124654893), (7, 2874950699), (17, 1183803229), (29, 693953617), (79, 254742467), (97, 207470669), (119, 169114747), (203, 99136231), (493, 40820801), (553, 36391781), (679, 29638667), (761, 26445013), (1343, 14984851), (1649, 12204157), (2291, 8784223), (2813, 7154161), (3451, 5831543), (5327, 3777859), (7663, 2626211), (9401, 2140693), (11543, 1743451), (12937, 1555589), (16037, 1254889), (19691, 1022023), (22069, 911897), (38947, 516719), (47821, 420833), (53641, 375173), (60119, 334747), (73817, 272629), (90559, 222227), (130271, 154483)]