20199665148

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1\times {\mathrm{3463}}^1$

素因数の和:3891

約数の個数: 96

約数和(自身を含む): 51328166400

約数和(自身を除く): 31128501252

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 139, 156, 269, 278, 417, 538, 556, 807, 834, 1076, 1614, 1668, 1807, 3228, 3463, 3497, 3614, 5421, 6926, 6994, 7228, 10389, 10491, 10842, 13852, 13988, 20778, 20982, 21684, 37391, 41556, 41964, 45019, 74782, 90038, 112173, 135057, 149564, 180076, 224346, 270114, 448692, 481357, 486083, 540228, 931547, 962714, 972166, 1444071, 1458249, 1863094, 1925428, 1944332, 2794641, 2888142, 2916498, 3726188, 5589282, 5776284, 5832996, 6257641, 11178564, 12110111, 12515282, 18772923, 24220222, 25030564, 36330333, 37545846, 48440444, 72660666, 75091692, 129485033, 145321332, 258970066, 388455099, 517940132, 776910198, 1553820396, 1683305429, 3366610858, 5049916287, 6733221716, 10099832574, 20199665148]

約数ペア:

[(1, 20199665148), (2, 10099832574), (3, 6733221716), (4, 5049916287), (6, 3366610858), (12, 1683305429), (13, 1553820396), (26, 776910198), (39, 517940132), (52, 388455099), (78, 258970066), (139, 145321332), (156, 129485033), (269, 75091692), (278, 72660666), (417, 48440444), (538, 37545846), (556, 36330333), (807, 25030564), (834, 24220222), (1076, 18772923), (1614, 12515282), (1668, 12110111), (1807, 11178564), (3228, 6257641), (3463, 5832996), (3497, 5776284), (3614, 5589282), (5421, 3726188), (6926, 2916498), (6994, 2888142), (7228, 2794641), (10389, 1944332), (10491, 1925428), (10842, 1863094), (13852, 1458249), (13988, 1444071), (20778, 972166), (20982, 962714), (21684, 931547), (37391, 540228), (41556, 486083), (41964, 481357), (45019, 448692), (74782, 270114), (90038, 224346), (112173, 180076), (135057, 149564)]