20205108

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1$

素因数の和:262

約数の個数: 144

約数和(自身を含む): 65729664

約数和(自身を除く): 45524556

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 37, 42, 44, 63, 66, 74, 77, 84, 99, 111, 126, 132, 148, 154, 197, 198, 222, 231, 252, 259, 308, 333, 394, 396, 407, 444, 462, 518, 591, 666, 693, 777, 788, 814, 924, 1036, 1182, 1221, 1332, 1379, 1386, 1554, 1628, 1773, 2167, 2331, 2364, 2442, 2758, 2772, 2849, 3108, 3546, 3663, 4137, 4334, 4662, 4884, 5516, 5698, 6501, 7092, 7289, 7326, 8274, 8547, 8668, 9324, 11396, 12411, 13002, 14578, 14652, 15169, 16548, 17094, 19503, 21867, 24822, 25641, 26004, 29156, 30338, 34188, 39006, 43734, 45507, 49644, 51023, 51282, 60676, 65601, 78012, 80179, 87468, 91014, 102046, 102564, 131202, 136521, 153069, 160358, 182028, 204092, 240537, 262404, 273042, 306138, 320716, 459207, 481074, 546084, 561253, 612276, 721611, 918414, 962148, 1122506, 1443222, 1683759, 1836828, 2245012, 2886444, 3367518, 5051277, 6735036, 10102554, 20205108]

約数ペア:

[(1, 20205108), (2, 10102554), (3, 6735036), (4, 5051277), (6, 3367518), (7, 2886444), (9, 2245012), (11, 1836828), (12, 1683759), (14, 1443222), (18, 1122506), (21, 962148), (22, 918414), (28, 721611), (33, 612276), (36, 561253), (37, 546084), (42, 481074), (44, 459207), (63, 320716), (66, 306138), (74, 273042), (77, 262404), (84, 240537), (99, 204092), (111, 182028), (126, 160358), (132, 153069), (148, 136521), (154, 131202), (197, 102564), (198, 102046), (222, 91014), (231, 87468), (252, 80179), (259, 78012), (308, 65601), (333, 60676), (394, 51282), (396, 51023), (407, 49644), (444, 45507), (462, 43734), (518, 39006), (591, 34188), (666, 30338), (693, 29156), (777, 26004), (788, 25641), (814, 24822), (924, 21867), (1036, 19503), (1182, 17094), (1221, 16548), (1332, 15169), (1379, 14652), (1386, 14578), (1554, 13002), (1628, 12411), (1773, 11396), (2167, 9324), (2331, 8668), (2364, 8547), (2442, 8274), (2758, 7326), (2772, 7289), (2849, 7092), (3108, 6501), (3546, 5698), (3663, 5516), (4137, 4884), (4334, 4662)]