20132980820

素因数分解:

$2^2\times 5^1\times {\mathrm{353}}^1\times {\mathrm{1657}}^1\times {\mathrm{1721}}^1$

素因数の和:3740

約数の個数: 48

約数和(自身を含む): 42449269968

約数和(自身を除く): 22316289148

約数列:

[1, 2, 4, 5, 10, 20, 353, 706, 1412, 1657, 1721, 1765, 3314, 3442, 3530, 6628, 6884, 7060, 8285, 8605, 16570, 17210, 33140, 34420, 584921, 607513, 1169842, 1215026, 2339684, 2430052, 2851697, 2924605, 3037565, 5703394, 5849210, 6075130, 11406788, 11698420, 12150260, 14258485, 28516970, 57033940, 1006649041, 2013298082, 4026596164, 5033245205, 10066490410, 20132980820]

約数ペア:

[(1, 20132980820), (2, 10066490410), (4, 5033245205), (5, 4026596164), (10, 2013298082), (20, 1006649041), (353, 57033940), (706, 28516970), (1412, 14258485), (1657, 12150260), (1721, 11698420), (1765, 11406788), (3314, 6075130), (3442, 5849210), (3530, 5703394), (6628, 3037565), (6884, 2924605), (7060, 2851697), (8285, 2430052), (8605, 2339684), (16570, 1215026), (17210, 1169842), (33140, 607513), (34420, 584921)]