20282618

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:254

約数の個数: 32

約数和(自身を含む): 32901120

約数和(自身を除く): 12618502

約数列:

[1, 2, 31, 41, 62, 79, 82, 101, 158, 202, 1271, 2449, 2542, 3131, 3239, 4141, 4898, 6262, 6478, 7979, 8282, 15958, 100409, 128371, 200818, 247349, 256742, 327139, 494698, 654278, 10141309, 20282618]

約数ペア:

[(1, 20282618), (2, 10141309), (31, 654278), (41, 494698), (62, 327139), (79, 256742), (82, 247349), (101, 200818), (158, 128371), (202, 100409), (1271, 15958), (2449, 8282), (2542, 7979), (3131, 6478), (3239, 6262), (4141, 4898)]