20217963350

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{877}}^1\times {\mathrm{1223}}^1$

素因数の和:2154

約数の個数: 96

約数和(自身を含む): 41976688320

約数和(自身を除く): 21758724970

約数列:

[1, 2, 5, 10, 13, 25, 26, 29, 50, 58, 65, 130, 145, 290, 325, 377, 650, 725, 754, 877, 1223, 1450, 1754, 1885, 2446, 3770, 4385, 6115, 8770, 9425, 11401, 12230, 15899, 18850, 21925, 22802, 25433, 30575, 31798, 35467, 43850, 50866, 57005, 61150, 70934, 79495, 114010, 127165, 158990, 177335, 254330, 285025, 330629, 354670, 397475, 461071, 570050, 635825, 661258, 794950, 886675, 922142, 1072571, 1271650, 1653145, 1773350, 2145142, 2305355, 3306290, 4610710, 5362855, 8265725, 10725710, 11526775, 13943423, 16531450, 23053550, 26814275, 27886846, 31104559, 53628550, 62209118, 69717115, 139434230, 155522795, 311045590, 348585575, 404359267, 697171150, 777613975, 808718534, 1555227950, 2021796335, 4043592670, 10108981675, 20217963350]

約数ペア:

[(1, 20217963350), (2, 10108981675), (5, 4043592670), (10, 2021796335), (13, 1555227950), (25, 808718534), (26, 777613975), (29, 697171150), (50, 404359267), (58, 348585575), (65, 311045590), (130, 155522795), (145, 139434230), (290, 69717115), (325, 62209118), (377, 53628550), (650, 31104559), (725, 27886846), (754, 26814275), (877, 23053550), (1223, 16531450), (1450, 13943423), (1754, 11526775), (1885, 10725710), (2446, 8265725), (3770, 5362855), (4385, 4610710), (6115, 3306290), (8770, 2305355), (9425, 2145142), (11401, 1773350), (12230, 1653145), (15899, 1271650), (18850, 1072571), (21925, 922142), (22802, 886675), (25433, 794950), (30575, 661258), (31798, 635825), (35467, 570050), (43850, 461071), (50866, 397475), (57005, 354670), (61150, 330629), (70934, 285025), (79495, 254330), (114010, 177335), (127165, 158990)]