20121985562

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{439}}^1\times {\mathrm{41443}}^1$

素因数の和:41970

約数の個数: 32

約数和(自身を含む): 35011891200

約数和(自身を除く): 14889905638

約数列:

[1, 2, 7, 14, 79, 158, 439, 553, 878, 1106, 3073, 6146, 34681, 41443, 69362, 82886, 242767, 290101, 485534, 580202, 3273997, 6547994, 18193477, 22917979, 36386954, 45835958, 127354339, 254708678, 1437284683, 2874569366, 10060992781, 20121985562]

約数ペア:

[(1, 20121985562), (2, 10060992781), (7, 2874569366), (14, 1437284683), (79, 254708678), (158, 127354339), (439, 45835958), (553, 36386954), (878, 22917979), (1106, 18193477), (3073, 6547994), (6146, 3273997), (34681, 580202), (41443, 485534), (69362, 290101), (82886, 242767)]