20639832

素因数分解:

$2^3\times 3^1\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:440

約数の個数: 64

約数和(自身を含む): 54432000

約数和(自身を除く): 33792168

約数列:

[1, 2, 3, 4, 6, 8, 12, 23, 24, 46, 69, 92, 138, 139, 184, 269, 276, 278, 417, 538, 552, 556, 807, 834, 1076, 1112, 1614, 1668, 2152, 3197, 3228, 3336, 6187, 6394, 6456, 9591, 12374, 12788, 18561, 19182, 24748, 25576, 37122, 37391, 38364, 49496, 74244, 74782, 76728, 112173, 148488, 149564, 224346, 299128, 448692, 859993, 897384, 1719986, 2579979, 3439972, 5159958, 6879944, 10319916, 20639832]

約数ペア:

[(1, 20639832), (2, 10319916), (3, 6879944), (4, 5159958), (6, 3439972), (8, 2579979), (12, 1719986), (23, 897384), (24, 859993), (46, 448692), (69, 299128), (92, 224346), (138, 149564), (139, 148488), (184, 112173), (269, 76728), (276, 74782), (278, 74244), (417, 49496), (538, 38364), (552, 37391), (556, 37122), (807, 25576), (834, 24748), (1076, 19182), (1112, 18561), (1614, 12788), (1668, 12374), (2152, 9591), (3197, 6456), (3228, 6394), (3336, 6187)]