20924860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{227}}^1\times {\mathrm{419}}^1$

素因数の和:666

約数の個数: 48

約数和(自身を含む): 48263040

約数和(自身を除く): 27338180

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 227, 419, 454, 838, 908, 1135, 1676, 2095, 2270, 2497, 4190, 4540, 4609, 4994, 8380, 9218, 9988, 12485, 18436, 23045, 24970, 46090, 49940, 92180, 95113, 190226, 380452, 475565, 951130, 1046243, 1902260, 2092486, 4184972, 5231215, 10462430, 20924860]

約数ペア:

[(1, 20924860), (2, 10462430), (4, 5231215), (5, 4184972), (10, 2092486), (11, 1902260), (20, 1046243), (22, 951130), (44, 475565), (55, 380452), (110, 190226), (220, 95113), (227, 92180), (419, 49940), (454, 46090), (838, 24970), (908, 23045), (1135, 18436), (1676, 12485), (2095, 9988), (2270, 9218), (2497, 8380), (4190, 4994), (4540, 4609)]