20686540070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{4793}}^1\times {\mathrm{61657}}^1$

素因数の和:66464

約数の個数: 32

約数和(自身を含む): 42564737088

約数和(自身を除く): 21878197018

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 4793, 9586, 23965, 33551, 47930, 61657, 67102, 123314, 167755, 308285, 335510, 431599, 616570, 863198, 2157995, 4315990, 295522001, 591044002, 1477610005, 2068654007, 2955220010, 4137308014, 10343270035, 20686540070]

約数ペア:

[(1, 20686540070), (2, 10343270035), (5, 4137308014), (7, 2955220010), (10, 2068654007), (14, 1477610005), (35, 591044002), (70, 295522001), (4793, 4315990), (9586, 2157995), (23965, 863198), (33551, 616570), (47930, 431599), (61657, 335510), (67102, 308285), (123314, 167755)]