20158968963

素因数分解:

$3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{167}}^1\times {\mathrm{337}}^1\times {\mathrm{461}}^1$

素因数の和:1012

約数の個数: 64

約数和(自身を含む): 31900796928

約数和(自身を除く): 11741827965

約数列:

[1, 3, 7, 21, 37, 111, 167, 259, 337, 461, 501, 777, 1011, 1169, 1383, 2359, 3227, 3507, 6179, 7077, 9681, 12469, 17057, 18537, 37407, 43253, 51171, 56279, 76987, 87283, 119399, 129759, 155357, 168837, 230961, 261849, 358197, 393953, 466071, 538909, 1087499, 1181859, 1616727, 2082323, 2848519, 3262497, 5748209, 6246969, 8545557, 14576261, 17244627, 19939633, 25944619, 40237463, 43728783, 59818899, 77833857, 120712389, 181612333, 544836999, 959950903, 2879852709, 6719656321, 20158968963]

約数ペア:

[(1, 20158968963), (3, 6719656321), (7, 2879852709), (21, 959950903), (37, 544836999), (111, 181612333), (167, 120712389), (259, 77833857), (337, 59818899), (461, 43728783), (501, 40237463), (777, 25944619), (1011, 19939633), (1169, 17244627), (1383, 14576261), (2359, 8545557), (3227, 6246969), (3507, 5748209), (6179, 3262497), (7077, 2848519), (9681, 2082323), (12469, 1616727), (17057, 1181859), (18537, 1087499), (37407, 538909), (43253, 466071), (51171, 393953), (56279, 358197), (76987, 261849), (87283, 230961), (119399, 168837), (129759, 155357)]