20346688115

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{147863}}^1$

素因数の和:147983

約数の個数: 32

約数和(自身を含む): 27573678720

約数和(自身を除く): 7226990605

約数列:

[1, 5, 13, 29, 65, 73, 145, 365, 377, 949, 1885, 2117, 4745, 10585, 27521, 137605, 147863, 739315, 1922219, 4288027, 9611095, 10793999, 21440135, 53969995, 55744351, 140321987, 278721755, 313025971, 701609935, 1565129855, 4069337623, 20346688115]

約数ペア:

[(1, 20346688115), (5, 4069337623), (13, 1565129855), (29, 701609935), (65, 313025971), (73, 278721755), (145, 140321987), (365, 55744351), (377, 53969995), (949, 21440135), (1885, 10793999), (2117, 9611095), (4745, 4288027), (10585, 1922219), (27521, 739315), (137605, 147863)]