20306412

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1321}}^1$

素因数の和:1399

約数の個数: 72

約数和(自身を含む): 59669792

約数和(自身を除く): 39363380

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 61, 63, 84, 122, 126, 183, 244, 252, 366, 427, 549, 732, 854, 1098, 1281, 1321, 1708, 2196, 2562, 2642, 3843, 3963, 5124, 5284, 7686, 7926, 9247, 11889, 15372, 15852, 18494, 23778, 27741, 36988, 47556, 55482, 80581, 83223, 110964, 161162, 166446, 241743, 322324, 332892, 483486, 564067, 725229, 966972, 1128134, 1450458, 1692201, 2256268, 2900916, 3384402, 5076603, 6768804, 10153206, 20306412]

約数ペア:

[(1, 20306412), (2, 10153206), (3, 6768804), (4, 5076603), (6, 3384402), (7, 2900916), (9, 2256268), (12, 1692201), (14, 1450458), (18, 1128134), (21, 966972), (28, 725229), (36, 564067), (42, 483486), (61, 332892), (63, 322324), (84, 241743), (122, 166446), (126, 161162), (183, 110964), (244, 83223), (252, 80581), (366, 55482), (427, 47556), (549, 36988), (732, 27741), (854, 23778), (1098, 18494), (1281, 15852), (1321, 15372), (1708, 11889), (2196, 9247), (2562, 7926), (2642, 7686), (3843, 5284), (3963, 5124)]