20024290

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1$

素因数の和:128

約数の個数: 96

約数和(自身を含む): 45581760

約数和(自身を除く): 25557470

約数列:

[1, 2, 5, 10, 11, 13, 19, 22, 26, 38, 55, 65, 67, 95, 110, 121, 130, 134, 143, 190, 209, 242, 247, 286, 335, 418, 494, 605, 670, 715, 737, 871, 1045, 1210, 1235, 1273, 1430, 1474, 1573, 1742, 2090, 2299, 2470, 2546, 2717, 3146, 3685, 4355, 4598, 5434, 6365, 7370, 7865, 8107, 8710, 9581, 11495, 12730, 13585, 14003, 15730, 16214, 16549, 19162, 22990, 27170, 28006, 29887, 33098, 40535, 47905, 59774, 70015, 81070, 82745, 95810, 105391, 140030, 149435, 154033, 165490, 182039, 210782, 298870, 308066, 364078, 526955, 770165, 910195, 1053910, 1540330, 1820390, 2002429, 4004858, 10012145, 20024290]

約数ペア:

[(1, 20024290), (2, 10012145), (5, 4004858), (10, 2002429), (11, 1820390), (13, 1540330), (19, 1053910), (22, 910195), (26, 770165), (38, 526955), (55, 364078), (65, 308066), (67, 298870), (95, 210782), (110, 182039), (121, 165490), (130, 154033), (134, 149435), (143, 140030), (190, 105391), (209, 95810), (242, 82745), (247, 81070), (286, 70015), (335, 59774), (418, 47905), (494, 40535), (605, 33098), (670, 29887), (715, 28006), (737, 27170), (871, 22990), (1045, 19162), (1210, 16549), (1235, 16214), (1273, 15730), (1430, 14003), (1474, 13585), (1573, 12730), (1742, 11495), (2090, 9581), (2299, 8710), (2470, 8107), (2546, 7865), (2717, 7370), (3146, 6365), (3685, 5434), (4355, 4598)]