20808612

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{281}}^1$

素因数の和:330

約数の個数: 108

約数和(自身を含む): 61434828

約数和(自身を除く): 40626216

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 17, 18, 22, 33, 34, 36, 44, 51, 66, 68, 99, 102, 121, 132, 153, 187, 198, 204, 242, 281, 306, 363, 374, 396, 484, 561, 562, 612, 726, 748, 843, 1089, 1122, 1124, 1452, 1683, 1686, 2057, 2178, 2244, 2529, 3091, 3366, 3372, 4114, 4356, 4777, 5058, 6171, 6182, 6732, 8228, 9273, 9554, 10116, 12342, 12364, 14331, 18513, 18546, 19108, 24684, 27819, 28662, 34001, 37026, 37092, 42993, 52547, 55638, 57324, 68002, 74052, 85986, 102003, 105094, 111276, 136004, 157641, 171972, 204006, 210188, 306009, 315282, 408012, 472923, 578017, 612018, 630564, 945846, 1156034, 1224036, 1734051, 1891692, 2312068, 3468102, 5202153, 6936204, 10404306, 20808612]

約数ペア:

[(1, 20808612), (2, 10404306), (3, 6936204), (4, 5202153), (6, 3468102), (9, 2312068), (11, 1891692), (12, 1734051), (17, 1224036), (18, 1156034), (22, 945846), (33, 630564), (34, 612018), (36, 578017), (44, 472923), (51, 408012), (66, 315282), (68, 306009), (99, 210188), (102, 204006), (121, 171972), (132, 157641), (153, 136004), (187, 111276), (198, 105094), (204, 102003), (242, 85986), (281, 74052), (306, 68002), (363, 57324), (374, 55638), (396, 52547), (484, 42993), (561, 37092), (562, 37026), (612, 34001), (726, 28662), (748, 27819), (843, 24684), (1089, 19108), (1122, 18546), (1124, 18513), (1452, 14331), (1683, 12364), (1686, 12342), (2057, 10116), (2178, 9554), (2244, 9273), (2529, 8228), (3091, 6732), (3366, 6182), (3372, 6171), (4114, 5058), (4356, 4777)]