20244900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{179}}^1$

素因数の和:238

約数の個数: 144

約数和(自身を含む): 65620800

約数和(自身を除く): 45375900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 29, 30, 39, 50, 52, 58, 60, 65, 75, 78, 87, 100, 116, 130, 145, 150, 156, 174, 179, 195, 260, 290, 300, 325, 348, 358, 377, 390, 435, 537, 580, 650, 716, 725, 754, 780, 870, 895, 975, 1074, 1131, 1300, 1450, 1508, 1740, 1790, 1885, 1950, 2148, 2175, 2262, 2327, 2685, 2900, 3580, 3770, 3900, 4350, 4475, 4524, 4654, 5191, 5370, 5655, 6981, 7540, 8700, 8950, 9308, 9425, 10382, 10740, 11310, 11635, 13425, 13962, 15573, 17900, 18850, 20764, 22620, 23270, 25955, 26850, 27924, 28275, 31146, 34905, 37700, 46540, 51910, 53700, 56550, 58175, 62292, 67483, 69810, 77865, 103820, 113100, 116350, 129775, 134966, 139620, 155730, 174525, 202449, 232700, 259550, 269932, 311460, 337415, 349050, 389325, 404898, 519100, 674830, 698100, 778650, 809796, 1012245, 1349660, 1557300, 1687075, 2024490, 3374150, 4048980, 5061225, 6748300, 10122450, 20244900]

約数ペア:

[(1, 20244900), (2, 10122450), (3, 6748300), (4, 5061225), (5, 4048980), (6, 3374150), (10, 2024490), (12, 1687075), (13, 1557300), (15, 1349660), (20, 1012245), (25, 809796), (26, 778650), (29, 698100), (30, 674830), (39, 519100), (50, 404898), (52, 389325), (58, 349050), (60, 337415), (65, 311460), (75, 269932), (78, 259550), (87, 232700), (100, 202449), (116, 174525), (130, 155730), (145, 139620), (150, 134966), (156, 129775), (174, 116350), (179, 113100), (195, 103820), (260, 77865), (290, 69810), (300, 67483), (325, 62292), (348, 58175), (358, 56550), (377, 53700), (390, 51910), (435, 46540), (537, 37700), (580, 34905), (650, 31146), (716, 28275), (725, 27924), (754, 26850), (780, 25955), (870, 23270), (895, 22620), (975, 20764), (1074, 18850), (1131, 17900), (1300, 15573), (1450, 13962), (1508, 13425), (1740, 11635), (1790, 11310), (1885, 10740), (1950, 10382), (2148, 9425), (2175, 9308), (2262, 8950), (2327, 8700), (2685, 7540), (2900, 6981), (3580, 5655), (3770, 5370), (3900, 5191), (4350, 4654), (4475, 4524)]