20447766

素因数分解:

$2^1\times 3^2\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1$

素因数の和:421

約数の個数: 48

約数和(自身を含む): 45995040

約数和(自身を除く): 25547274

約数列:

[1, 2, 3, 6, 9, 18, 41, 82, 103, 123, 206, 246, 269, 309, 369, 538, 618, 738, 807, 927, 1614, 1854, 2421, 4223, 4842, 8446, 11029, 12669, 22058, 25338, 27707, 33087, 38007, 55414, 66174, 76014, 83121, 99261, 166242, 198522, 249363, 498726, 1135987, 2271974, 3407961, 6815922, 10223883, 20447766]

約数ペア:

[(1, 20447766), (2, 10223883), (3, 6815922), (6, 3407961), (9, 2271974), (18, 1135987), (41, 498726), (82, 249363), (103, 198522), (123, 166242), (206, 99261), (246, 83121), (269, 76014), (309, 66174), (369, 55414), (538, 38007), (618, 33087), (738, 27707), (807, 25338), (927, 22058), (1614, 12669), (1854, 11029), (2421, 8446), (4223, 4842)]