20958300

素因数分解:

$2^2\times 3^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1$

素因数の和:133

約数の個数: 216

約数和(自身を含む): 75151440

約数和(自身を除く): 54193140

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 25, 29, 30, 33, 36, 44, 45, 50, 55, 58, 60, 66, 73, 75, 87, 90, 99, 100, 110, 116, 132, 145, 146, 150, 165, 174, 180, 198, 219, 220, 225, 261, 275, 290, 292, 300, 319, 330, 348, 365, 396, 435, 438, 450, 495, 522, 550, 580, 638, 657, 660, 725, 730, 803, 825, 870, 876, 900, 957, 990, 1044, 1095, 1100, 1276, 1305, 1314, 1450, 1460, 1595, 1606, 1650, 1740, 1825, 1914, 1980, 2117, 2175, 2190, 2409, 2475, 2610, 2628, 2871, 2900, 3190, 3212, 3285, 3300, 3650, 3828, 4015, 4234, 4350, 4380, 4785, 4818, 4950, 5220, 5475, 5742, 6351, 6380, 6525, 6570, 7227, 7300, 7975, 8030, 8468, 8700, 9570, 9636, 9900, 10585, 10950, 11484, 12045, 12702, 13050, 13140, 14355, 14454, 15950, 16060, 16425, 19053, 19140, 20075, 21170, 21900, 23287, 23925, 24090, 25404, 26100, 28710, 28908, 31755, 31900, 32850, 36135, 38106, 40150, 42340, 46574, 47850, 48180, 52925, 57420, 60225, 63510, 65700, 69861, 71775, 72270, 76212, 80300, 93148, 95265, 95700, 105850, 116435, 120450, 127020, 139722, 143550, 144540, 158775, 180675, 190530, 209583, 211700, 232870, 240900, 279444, 287100, 317550, 349305, 361350, 381060, 419166, 465740, 476325, 582175, 635100, 698610, 722700, 838332, 952650, 1047915, 1164350, 1397220, 1746525, 1905300, 2095830, 2328700, 3493050, 4191660, 5239575, 6986100, 10479150, 20958300]

約数ペア:

[(1, 20958300), (2, 10479150), (3, 6986100), (4, 5239575), (5, 4191660), (6, 3493050), (9, 2328700), (10, 2095830), (11, 1905300), (12, 1746525), (15, 1397220), (18, 1164350), (20, 1047915), (22, 952650), (25, 838332), (29, 722700), (30, 698610), (33, 635100), (36, 582175), (44, 476325), (45, 465740), (50, 419166), (55, 381060), (58, 361350), (60, 349305), (66, 317550), (73, 287100), (75, 279444), (87, 240900), (90, 232870), (99, 211700), (100, 209583), (110, 190530), (116, 180675), (132, 158775), (145, 144540), (146, 143550), (150, 139722), (165, 127020), (174, 120450), (180, 116435), (198, 105850), (219, 95700), (220, 95265), (225, 93148), (261, 80300), (275, 76212), (290, 72270), (292, 71775), (300, 69861), (319, 65700), (330, 63510), (348, 60225), (365, 57420), (396, 52925), (435, 48180), (438, 47850), (450, 46574), (495, 42340), (522, 40150), (550, 38106), (580, 36135), (638, 32850), (657, 31900), (660, 31755), (725, 28908), (730, 28710), (803, 26100), (825, 25404), (870, 24090), (876, 23925), (900, 23287), (957, 21900), (990, 21170), (1044, 20075), (1095, 19140), (1100, 19053), (1276, 16425), (1305, 16060), (1314, 15950), (1450, 14454), (1460, 14355), (1595, 13140), (1606, 13050), (1650, 12702), (1740, 12045), (1825, 11484), (1914, 10950), (1980, 10585), (2117, 9900), (2175, 9636), (2190, 9570), (2409, 8700), (2475, 8468), (2610, 8030), (2628, 7975), (2871, 7300), (2900, 7227), (3190, 6570), (3212, 6525), (3285, 6380), (3300, 6351), (3650, 5742), (3828, 5475), (4015, 5220), (4234, 4950), (4350, 4818), (4380, 4785)]