20020492812

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{71}}^2\times {\mathrm{17419}}^1$

素因数の和:17587

約数の個数: 72

約数和(自身を含む): 49878337600

約数和(自身を除く): 29857844788

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 71, 76, 114, 142, 213, 228, 284, 426, 852, 1349, 2698, 4047, 5041, 5396, 8094, 10082, 15123, 16188, 17419, 20164, 30246, 34838, 52257, 60492, 69676, 95779, 104514, 191558, 209028, 287337, 330961, 383116, 574674, 661922, 992883, 1149348, 1236749, 1323844, 1985766, 2473498, 3710247, 3971532, 4946996, 7420494, 14840988, 23498231, 46996462, 70494693, 87809179, 93992924, 140989386, 175618358, 263427537, 281978772, 351236716, 526855074, 1053710148, 1668374401, 3336748802, 5005123203, 6673497604, 10010246406, 20020492812]

約数ペア:

[(1, 20020492812), (2, 10010246406), (3, 6673497604), (4, 5005123203), (6, 3336748802), (12, 1668374401), (19, 1053710148), (38, 526855074), (57, 351236716), (71, 281978772), (76, 263427537), (114, 175618358), (142, 140989386), (213, 93992924), (228, 87809179), (284, 70494693), (426, 46996462), (852, 23498231), (1349, 14840988), (2698, 7420494), (4047, 4946996), (5041, 3971532), (5396, 3710247), (8094, 2473498), (10082, 1985766), (15123, 1323844), (16188, 1236749), (17419, 1149348), (20164, 992883), (30246, 661922), (34838, 574674), (52257, 383116), (60492, 330961), (69676, 287337), (95779, 209028), (104514, 191558)]