20201187780

素因数分解:

$2^2\times 3^8\times 5^1\times {\mathrm{153949}}^1$

素因数の和:153982

約数の個数: 108

約数和(自身を含む): 63630921900

約数和(自身を除く): 43429734120

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1458, 1620, 2187, 2430, 2916, 3645, 4374, 4860, 6561, 7290, 8748, 10935, 13122, 14580, 21870, 26244, 32805, 43740, 65610, 131220, 153949, 307898, 461847, 615796, 769745, 923694, 1385541, 1539490, 1847388, 2309235, 2771082, 3078980, 4156623, 4618470, 5542164, 6927705, 8313246, 9236940, 12469869, 13855410, 16626492, 20783115, 24939738, 27710820, 37409607, 41566230, 49879476, 62349345, 74819214, 83132460, 112228821, 124698690, 149638428, 187048035, 224457642, 249397380, 336686463, 374096070, 448915284, 561144105, 673372926, 748192140, 1010059389, 1122288210, 1346745852, 1683432315, 2020118778, 2244576420, 3366864630, 4040237556, 5050296945, 6733729260, 10100593890, 20201187780]

約数ペア:

[(1, 20201187780), (2, 10100593890), (3, 6733729260), (4, 5050296945), (5, 4040237556), (6, 3366864630), (9, 2244576420), (10, 2020118778), (12, 1683432315), (15, 1346745852), (18, 1122288210), (20, 1010059389), (27, 748192140), (30, 673372926), (36, 561144105), (45, 448915284), (54, 374096070), (60, 336686463), (81, 249397380), (90, 224457642), (108, 187048035), (135, 149638428), (162, 124698690), (180, 112228821), (243, 83132460), (270, 74819214), (324, 62349345), (405, 49879476), (486, 41566230), (540, 37409607), (729, 27710820), (810, 24939738), (972, 20783115), (1215, 16626492), (1458, 13855410), (1620, 12469869), (2187, 9236940), (2430, 8313246), (2916, 6927705), (3645, 5542164), (4374, 4618470), (4860, 4156623), (6561, 3078980), (7290, 2771082), (8748, 2309235), (10935, 1847388), (13122, 1539490), (14580, 1385541), (21870, 923694), (26244, 769745), (32805, 615796), (43740, 461847), (65610, 307898), (131220, 153949)]