20907348

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^4\times {\mathrm{17}}^1$

素因数の和:75

約数の個数: 120

約数和(自身を含む): 64935360

約数和(自身を除く): 44028012

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 14, 17, 21, 22, 28, 33, 34, 42, 44, 51, 66, 68, 77, 84, 102, 119, 121, 132, 154, 187, 204, 231, 238, 242, 308, 357, 363, 374, 462, 476, 484, 561, 714, 726, 748, 847, 924, 1122, 1309, 1331, 1428, 1452, 1694, 2057, 2244, 2541, 2618, 2662, 3388, 3927, 3993, 4114, 5082, 5236, 5324, 6171, 7854, 7986, 8228, 9317, 10164, 12342, 14399, 14641, 15708, 15972, 18634, 22627, 24684, 27951, 28798, 29282, 37268, 43197, 43923, 45254, 55902, 57596, 58564, 67881, 86394, 87846, 90508, 102487, 111804, 135762, 158389, 172788, 175692, 204974, 248897, 271524, 307461, 316778, 409948, 475167, 497794, 614922, 633556, 746691, 950334, 995588, 1229844, 1493382, 1742279, 1900668, 2986764, 3484558, 5226837, 6969116, 10453674, 20907348]

約数ペア:

[(1, 20907348), (2, 10453674), (3, 6969116), (4, 5226837), (6, 3484558), (7, 2986764), (11, 1900668), (12, 1742279), (14, 1493382), (17, 1229844), (21, 995588), (22, 950334), (28, 746691), (33, 633556), (34, 614922), (42, 497794), (44, 475167), (51, 409948), (66, 316778), (68, 307461), (77, 271524), (84, 248897), (102, 204974), (119, 175692), (121, 172788), (132, 158389), (154, 135762), (187, 111804), (204, 102487), (231, 90508), (238, 87846), (242, 86394), (308, 67881), (357, 58564), (363, 57596), (374, 55902), (462, 45254), (476, 43923), (484, 43197), (561, 37268), (714, 29282), (726, 28798), (748, 27951), (847, 24684), (924, 22627), (1122, 18634), (1309, 15972), (1331, 15708), (1428, 14641), (1452, 14399), (1694, 12342), (2057, 10164), (2244, 9317), (2541, 8228), (2618, 7986), (2662, 7854), (3388, 6171), (3927, 5324), (3993, 5236), (4114, 5082)]