20010438

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:202

約数の個数: 96

約数和(自身を含む): 52715520

約数和(自身を除く): 32705082

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 31, 42, 47, 62, 63, 93, 94, 109, 126, 141, 186, 217, 218, 279, 282, 327, 329, 423, 434, 558, 651, 654, 658, 763, 846, 981, 987, 1302, 1457, 1526, 1953, 1962, 1974, 2289, 2914, 2961, 3379, 3906, 4371, 4578, 5123, 5922, 6758, 6867, 8742, 10137, 10199, 10246, 13113, 13734, 15369, 20274, 20398, 23653, 26226, 30411, 30597, 30738, 35861, 46107, 47306, 60822, 61194, 70959, 71722, 91791, 92214, 107583, 141918, 158813, 183582, 212877, 215166, 317626, 322749, 425754, 476439, 645498, 952878, 1111691, 1429317, 2223382, 2858634, 3335073, 6670146, 10005219, 20010438]

約数ペア:

[(1, 20010438), (2, 10005219), (3, 6670146), (6, 3335073), (7, 2858634), (9, 2223382), (14, 1429317), (18, 1111691), (21, 952878), (31, 645498), (42, 476439), (47, 425754), (62, 322749), (63, 317626), (93, 215166), (94, 212877), (109, 183582), (126, 158813), (141, 141918), (186, 107583), (217, 92214), (218, 91791), (279, 71722), (282, 70959), (327, 61194), (329, 60822), (423, 47306), (434, 46107), (558, 35861), (651, 30738), (654, 30597), (658, 30411), (763, 26226), (846, 23653), (981, 20398), (987, 20274), (1302, 15369), (1457, 13734), (1526, 13113), (1953, 10246), (1962, 10199), (1974, 10137), (2289, 8742), (2914, 6867), (2961, 6758), (3379, 5922), (3906, 5123), (4371, 4578)]