20185970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{16963}}^1$

素因数の和:16994

約数の個数: 32

約数和(自身を含む): 43970688

約数和(自身を除く): 23784718

約数列:

[1, 2, 5, 7, 10, 14, 17, 34, 35, 70, 85, 119, 170, 238, 595, 1190, 16963, 33926, 84815, 118741, 169630, 237482, 288371, 576742, 593705, 1187410, 1441855, 2018597, 2883710, 4037194, 10092985, 20185970]

約数ペア:

[(1, 20185970), (2, 10092985), (5, 4037194), (7, 2883710), (10, 2018597), (14, 1441855), (17, 1187410), (34, 593705), (35, 576742), (70, 288371), (85, 237482), (119, 169630), (170, 118741), (238, 84815), (595, 33926), (1190, 16963)]