20842494

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{373}}^1$

素因数の和:584

約数の個数: 32

約数和(自身を含む): 42725760

約数和(自身を除く): 21883266

約数列:

[1, 2, 3, 6, 67, 134, 139, 201, 278, 373, 402, 417, 746, 834, 1119, 2238, 9313, 18626, 24991, 27939, 49982, 51847, 55878, 74973, 103694, 149946, 155541, 311082, 3473749, 6947498, 10421247, 20842494]

約数ペア:

[(1, 20842494), (2, 10421247), (3, 6947498), (6, 3473749), (67, 311082), (134, 155541), (139, 149946), (201, 103694), (278, 74973), (373, 55878), (402, 51847), (417, 49982), (746, 27939), (834, 24991), (1119, 18626), (2238, 9313)]