20569432

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{2039}}^1$

素因数の和:2155

約数の個数: 32

約数和(自身を含む): 41983200

約数和(自身を除く): 21413768

約数列:

[1, 2, 4, 8, 13, 26, 52, 97, 104, 194, 388, 776, 1261, 2039, 2522, 4078, 5044, 8156, 10088, 16312, 26507, 53014, 106028, 197783, 212056, 395566, 791132, 1582264, 2571179, 5142358, 10284716, 20569432]

約数ペア:

[(1, 20569432), (2, 10284716), (4, 5142358), (8, 2571179), (13, 1582264), (26, 791132), (52, 395566), (97, 212056), (104, 197783), (194, 106028), (388, 53014), (776, 26507), (1261, 16312), (2039, 10088), (2522, 8156), (4078, 5044)]