20212928

素因数分解:

$2^6\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{101}}^1$

素因数の和:225

約数の個数: 56

約数和(自身を含む): 41970960

約数和(自身を除く): 21758032

約数列:

[1, 2, 4, 8, 16, 32, 53, 59, 64, 101, 106, 118, 202, 212, 236, 404, 424, 472, 808, 848, 944, 1616, 1696, 1888, 3127, 3232, 3392, 3776, 5353, 5959, 6254, 6464, 10706, 11918, 12508, 21412, 23836, 25016, 42824, 47672, 50032, 85648, 95344, 100064, 171296, 190688, 200128, 315827, 342592, 381376, 631654, 1263308, 2526616, 5053232, 10106464, 20212928]

約数ペア:

[(1, 20212928), (2, 10106464), (4, 5053232), (8, 2526616), (16, 1263308), (32, 631654), (53, 381376), (59, 342592), (64, 315827), (101, 200128), (106, 190688), (118, 171296), (202, 100064), (212, 95344), (236, 85648), (404, 50032), (424, 47672), (472, 42824), (808, 25016), (848, 23836), (944, 21412), (1616, 12508), (1696, 11918), (1888, 10706), (3127, 6464), (3232, 6254), (3392, 5959), (3776, 5353)]