20005272

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{131}}^1$

素因数の和:254

約数の個数: 128

約数和(自身を含む): 64627200

約数和(自身を除く): 44621928

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 101, 108, 126, 131, 168, 189, 202, 216, 252, 262, 303, 378, 393, 404, 504, 524, 606, 707, 756, 786, 808, 909, 917, 1048, 1179, 1212, 1414, 1512, 1572, 1818, 1834, 2121, 2358, 2424, 2727, 2751, 2828, 3144, 3537, 3636, 3668, 4242, 4716, 5454, 5502, 5656, 6363, 7074, 7272, 7336, 8253, 8484, 9432, 10908, 11004, 12726, 13231, 14148, 16506, 16968, 19089, 21816, 22008, 24759, 25452, 26462, 28296, 33012, 38178, 39693, 49518, 50904, 52924, 66024, 76356, 79386, 92617, 99036, 105848, 119079, 152712, 158772, 185234, 198072, 238158, 277851, 317544, 357237, 370468, 476316, 555702, 714474, 740936, 833553, 952632, 1111404, 1428948, 1667106, 2222808, 2500659, 2857896, 3334212, 5001318, 6668424, 10002636, 20005272]

約数ペア:

[(1, 20005272), (2, 10002636), (3, 6668424), (4, 5001318), (6, 3334212), (7, 2857896), (8, 2500659), (9, 2222808), (12, 1667106), (14, 1428948), (18, 1111404), (21, 952632), (24, 833553), (27, 740936), (28, 714474), (36, 555702), (42, 476316), (54, 370468), (56, 357237), (63, 317544), (72, 277851), (84, 238158), (101, 198072), (108, 185234), (126, 158772), (131, 152712), (168, 119079), (189, 105848), (202, 99036), (216, 92617), (252, 79386), (262, 76356), (303, 66024), (378, 52924), (393, 50904), (404, 49518), (504, 39693), (524, 38178), (606, 33012), (707, 28296), (756, 26462), (786, 25452), (808, 24759), (909, 22008), (917, 21816), (1048, 19089), (1179, 16968), (1212, 16506), (1414, 14148), (1512, 13231), (1572, 12726), (1818, 11004), (1834, 10908), (2121, 9432), (2358, 8484), (2424, 8253), (2727, 7336), (2751, 7272), (2828, 7074), (3144, 6363), (3537, 5656), (3636, 5502), (3668, 5454), (4242, 4716)]