20028888

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^4\times {\mathrm{19}}^1$

素因数の和:75

約数の個数: 120

約数和(自身を含む): 62809500

約数和(自身を除く): 42780612

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 18, 19, 22, 24, 33, 36, 38, 44, 57, 66, 72, 76, 88, 99, 114, 121, 132, 152, 171, 198, 209, 228, 242, 264, 342, 363, 396, 418, 456, 484, 627, 684, 726, 792, 836, 968, 1089, 1254, 1331, 1368, 1452, 1672, 1881, 2178, 2299, 2508, 2662, 2904, 3762, 3993, 4356, 4598, 5016, 5324, 6897, 7524, 7986, 8712, 9196, 10648, 11979, 13794, 14641, 15048, 15972, 18392, 20691, 23958, 25289, 27588, 29282, 31944, 41382, 43923, 47916, 50578, 55176, 58564, 75867, 82764, 87846, 95832, 101156, 117128, 131769, 151734, 165528, 175692, 202312, 227601, 263538, 278179, 303468, 351384, 455202, 527076, 556358, 606936, 834537, 910404, 1054152, 1112716, 1669074, 1820808, 2225432, 2503611, 3338148, 5007222, 6676296, 10014444, 20028888]

約数ペア:

[(1, 20028888), (2, 10014444), (3, 6676296), (4, 5007222), (6, 3338148), (8, 2503611), (9, 2225432), (11, 1820808), (12, 1669074), (18, 1112716), (19, 1054152), (22, 910404), (24, 834537), (33, 606936), (36, 556358), (38, 527076), (44, 455202), (57, 351384), (66, 303468), (72, 278179), (76, 263538), (88, 227601), (99, 202312), (114, 175692), (121, 165528), (132, 151734), (152, 131769), (171, 117128), (198, 101156), (209, 95832), (228, 87846), (242, 82764), (264, 75867), (342, 58564), (363, 55176), (396, 50578), (418, 47916), (456, 43923), (484, 41382), (627, 31944), (684, 29282), (726, 27588), (792, 25289), (836, 23958), (968, 20691), (1089, 18392), (1254, 15972), (1331, 15048), (1368, 14641), (1452, 13794), (1672, 11979), (1881, 10648), (2178, 9196), (2299, 8712), (2508, 7986), (2662, 7524), (2904, 6897), (3762, 5324), (3993, 5016), (4356, 4598)]