20490246

素因数分解:

$2^1\times 3^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{317}}^1$

素因数の和:360

約数の個数: 96

約数和(自身を含む): 55560960

約数和(自身を除く): 35070714

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 38, 42, 54, 57, 63, 81, 114, 126, 133, 162, 171, 189, 243, 266, 317, 342, 378, 399, 486, 513, 567, 634, 798, 951, 1026, 1134, 1197, 1539, 1701, 1902, 2219, 2394, 2853, 3078, 3402, 3591, 4438, 4617, 5706, 6023, 6657, 7182, 8559, 9234, 10773, 12046, 13314, 17118, 18069, 19971, 21546, 25677, 32319, 36138, 39942, 42161, 51354, 54207, 59913, 64638, 77031, 84322, 108414, 119826, 126483, 154062, 162621, 179739, 252966, 325242, 359478, 379449, 487863, 539217, 758898, 975726, 1078434, 1138347, 1463589, 2276694, 2927178, 3415041, 6830082, 10245123, 20490246]

約数ペア:

[(1, 20490246), (2, 10245123), (3, 6830082), (6, 3415041), (7, 2927178), (9, 2276694), (14, 1463589), (18, 1138347), (19, 1078434), (21, 975726), (27, 758898), (38, 539217), (42, 487863), (54, 379449), (57, 359478), (63, 325242), (81, 252966), (114, 179739), (126, 162621), (133, 154062), (162, 126483), (171, 119826), (189, 108414), (243, 84322), (266, 77031), (317, 64638), (342, 59913), (378, 54207), (399, 51354), (486, 42161), (513, 39942), (567, 36138), (634, 32319), (798, 25677), (951, 21546), (1026, 19971), (1134, 18069), (1197, 17118), (1539, 13314), (1701, 12046), (1902, 10773), (2219, 9234), (2394, 8559), (2853, 7182), (3078, 6657), (3402, 6023), (3591, 5706), (4438, 4617)]