20801124

素因数分解:

$2^2\times 3^4\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:175

約数の個数: 120

約数和(自身を含む): 59628800

約数和(自身を除く): 38827676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 31, 36, 38, 54, 57, 62, 76, 81, 93, 108, 109, 114, 124, 162, 171, 186, 218, 228, 279, 324, 327, 342, 372, 436, 513, 558, 589, 654, 684, 837, 981, 1026, 1116, 1178, 1308, 1539, 1674, 1767, 1962, 2052, 2071, 2356, 2511, 2943, 3078, 3348, 3379, 3534, 3924, 4142, 5022, 5301, 5886, 6156, 6213, 6758, 7068, 8284, 8829, 10044, 10137, 10602, 11772, 12426, 13516, 15903, 17658, 18639, 20274, 21204, 24852, 30411, 31806, 35316, 37278, 40548, 47709, 55917, 60822, 63612, 64201, 74556, 91233, 95418, 111834, 121644, 128402, 167751, 182466, 190836, 192603, 223668, 256804, 273699, 335502, 364932, 385206, 547398, 577809, 671004, 770412, 1094796, 1155618, 1733427, 2311236, 3466854, 5200281, 6933708, 10400562, 20801124]

約数ペア:

[(1, 20801124), (2, 10400562), (3, 6933708), (4, 5200281), (6, 3466854), (9, 2311236), (12, 1733427), (18, 1155618), (19, 1094796), (27, 770412), (31, 671004), (36, 577809), (38, 547398), (54, 385206), (57, 364932), (62, 335502), (76, 273699), (81, 256804), (93, 223668), (108, 192603), (109, 190836), (114, 182466), (124, 167751), (162, 128402), (171, 121644), (186, 111834), (218, 95418), (228, 91233), (279, 74556), (324, 64201), (327, 63612), (342, 60822), (372, 55917), (436, 47709), (513, 40548), (558, 37278), (589, 35316), (654, 31806), (684, 30411), (837, 24852), (981, 21204), (1026, 20274), (1116, 18639), (1178, 17658), (1308, 15903), (1539, 13516), (1674, 12426), (1767, 11772), (1962, 10602), (2052, 10137), (2071, 10044), (2356, 8829), (2511, 8284), (2943, 7068), (3078, 6758), (3348, 6213), (3379, 6156), (3534, 5886), (3924, 5301), (4142, 5022)]