20105384

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{1993}}^1$

素因数の和:2109

約数の個数: 32

約数和(自身を含む): 41036520

約数和(自身を除く): 20931136

約数列:

[1, 2, 4, 8, 13, 26, 52, 97, 104, 194, 388, 776, 1261, 1993, 2522, 3986, 5044, 7972, 10088, 15944, 25909, 51818, 103636, 193321, 207272, 386642, 773284, 1546568, 2513173, 5026346, 10052692, 20105384]

約数ペア:

[(1, 20105384), (2, 10052692), (4, 5026346), (8, 2513173), (13, 1546568), (26, 773284), (52, 386642), (97, 207272), (104, 193321), (194, 103636), (388, 51818), (776, 25909), (1261, 15944), (1993, 10088), (2522, 7972), (3986, 5044)]