20171945816

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{503}}^1\times {\mathrm{2437}}^1$

素因数の和:2985

約数の個数: 96

約数和(自身を含む): 44124484320

約数和(自身を除く): 23952538504

約数列:

[1, 2, 4, 8, 11, 17, 22, 34, 44, 68, 88, 121, 136, 187, 242, 374, 484, 503, 748, 968, 1006, 1496, 2012, 2057, 2437, 4024, 4114, 4874, 5533, 8228, 8551, 9748, 11066, 16456, 17102, 19496, 22132, 26807, 34204, 41429, 44264, 53614, 60863, 68408, 82858, 94061, 107228, 121726, 165716, 188122, 214456, 243452, 294877, 331432, 376244, 455719, 486904, 589754, 752488, 911438, 1034671, 1179508, 1225811, 1822876, 2069342, 2359016, 2451622, 3645752, 4138684, 4903244, 5012909, 8277368, 9806488, 10025818, 13483921, 20051636, 20838787, 26967842, 40103272, 41677574, 53935684, 83355148, 107871368, 148323131, 166710296, 229226657, 296646262, 458453314, 593292524, 916906628, 1186585048, 1833813256, 2521493227, 5042986454, 10085972908, 20171945816]

約数ペア:

[(1, 20171945816), (2, 10085972908), (4, 5042986454), (8, 2521493227), (11, 1833813256), (17, 1186585048), (22, 916906628), (34, 593292524), (44, 458453314), (68, 296646262), (88, 229226657), (121, 166710296), (136, 148323131), (187, 107871368), (242, 83355148), (374, 53935684), (484, 41677574), (503, 40103272), (748, 26967842), (968, 20838787), (1006, 20051636), (1496, 13483921), (2012, 10025818), (2057, 9806488), (2437, 8277368), (4024, 5012909), (4114, 4903244), (4874, 4138684), (5533, 3645752), (8228, 2451622), (8551, 2359016), (9748, 2069342), (11066, 1822876), (16456, 1225811), (17102, 1179508), (19496, 1034671), (22132, 911438), (26807, 752488), (34204, 589754), (41429, 486904), (44264, 455719), (53614, 376244), (60863, 331432), (68408, 294877), (82858, 243452), (94061, 214456), (107228, 188122), (121726, 165716)]