20571276

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1543}}^1$

素因数の和:1662

約数の個数: 48

約数和(自身を含む): 52915968

約数和(自身を除く): 32344692

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 101, 132, 202, 303, 404, 606, 1111, 1212, 1543, 2222, 3086, 3333, 4444, 4629, 6172, 6666, 9258, 13332, 16973, 18516, 33946, 50919, 67892, 101838, 155843, 203676, 311686, 467529, 623372, 935058, 1714273, 1870116, 3428546, 5142819, 6857092, 10285638, 20571276]

約数ペア:

[(1, 20571276), (2, 10285638), (3, 6857092), (4, 5142819), (6, 3428546), (11, 1870116), (12, 1714273), (22, 935058), (33, 623372), (44, 467529), (66, 311686), (101, 203676), (132, 155843), (202, 101838), (303, 67892), (404, 50919), (606, 33946), (1111, 18516), (1212, 16973), (1543, 13332), (2222, 9258), (3086, 6666), (3333, 6172), (4444, 4629)]