20050470

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:227

約数の個数: 128

約数和(自身を含む): 60065280

約数和(自身を除く): 40014810

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 43, 45, 54, 55, 66, 86, 90, 99, 110, 129, 135, 157, 165, 198, 215, 258, 270, 297, 314, 330, 387, 430, 471, 473, 495, 594, 645, 774, 785, 942, 946, 990, 1161, 1290, 1413, 1419, 1485, 1570, 1727, 1935, 2322, 2355, 2365, 2826, 2838, 2970, 3454, 3870, 4239, 4257, 4710, 4730, 5181, 5805, 6751, 7065, 7095, 8478, 8514, 8635, 10362, 11610, 12771, 13502, 14130, 14190, 15543, 17270, 20253, 21195, 21285, 25542, 25905, 31086, 33755, 40506, 42390, 42570, 46629, 51810, 60759, 63855, 67510, 74261, 77715, 93258, 101265, 121518, 127710, 148522, 155430, 182277, 202530, 222783, 233145, 303795, 364554, 371305, 445566, 466290, 607590, 668349, 742610, 911385, 1113915, 1336698, 1822770, 2005047, 2227830, 3341745, 4010094, 6683490, 10025235, 20050470]

約数ペア:

[(1, 20050470), (2, 10025235), (3, 6683490), (5, 4010094), (6, 3341745), (9, 2227830), (10, 2005047), (11, 1822770), (15, 1336698), (18, 1113915), (22, 911385), (27, 742610), (30, 668349), (33, 607590), (43, 466290), (45, 445566), (54, 371305), (55, 364554), (66, 303795), (86, 233145), (90, 222783), (99, 202530), (110, 182277), (129, 155430), (135, 148522), (157, 127710), (165, 121518), (198, 101265), (215, 93258), (258, 77715), (270, 74261), (297, 67510), (314, 63855), (330, 60759), (387, 51810), (430, 46629), (471, 42570), (473, 42390), (495, 40506), (594, 33755), (645, 31086), (774, 25905), (785, 25542), (942, 21285), (946, 21195), (990, 20253), (1161, 17270), (1290, 15543), (1413, 14190), (1419, 14130), (1485, 13502), (1570, 12771), (1727, 11610), (1935, 10362), (2322, 8635), (2355, 8514), (2365, 8478), (2826, 7095), (2838, 7065), (2970, 6751), (3454, 5805), (3870, 5181), (4239, 4730), (4257, 4710)]