20578908

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{14411}}^1$

素因数の和:14442

約数の個数: 48

約数和(自身を含む): 58109184

約数和(自身を除く): 37530276

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 14411, 28822, 43233, 57644, 86466, 100877, 172932, 201754, 244987, 302631, 403508, 489974, 605262, 734961, 979948, 1210524, 1469922, 1714909, 2939844, 3429818, 5144727, 6859636, 10289454, 20578908]

約数ペア:

[(1, 20578908), (2, 10289454), (3, 6859636), (4, 5144727), (6, 3429818), (7, 2939844), (12, 1714909), (14, 1469922), (17, 1210524), (21, 979948), (28, 734961), (34, 605262), (42, 489974), (51, 403508), (68, 302631), (84, 244987), (102, 201754), (119, 172932), (204, 100877), (238, 86466), (357, 57644), (476, 43233), (714, 28822), (1428, 14411)]