20100894639

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{389}}^1\times {\mathrm{2731}}^1$

素因数の和:3200

約数の個数: 64

約数和(自身を含む): 33140689920

約数和(自身を除く): 13039795281

約数列:

[1, 3, 7, 17, 21, 51, 53, 119, 159, 357, 371, 389, 901, 1113, 1167, 2703, 2723, 2731, 6307, 6613, 8169, 8193, 18921, 19117, 19839, 20617, 46291, 46427, 57351, 61851, 138873, 139281, 144319, 144743, 324989, 350489, 432957, 434229, 974967, 1013201, 1051467, 1062359, 2453423, 2460631, 3039603, 3187077, 7360269, 7381893, 7436513, 17224417, 18060103, 22309539, 51673251, 54180309, 56305027, 126420721, 168915081, 379262163, 394135189, 957185459, 1182405567, 2871556377, 6700298213, 20100894639]

約数ペア:

[(1, 20100894639), (3, 6700298213), (7, 2871556377), (17, 1182405567), (21, 957185459), (51, 394135189), (53, 379262163), (119, 168915081), (159, 126420721), (357, 56305027), (371, 54180309), (389, 51673251), (901, 22309539), (1113, 18060103), (1167, 17224417), (2703, 7436513), (2723, 7381893), (2731, 7360269), (6307, 3187077), (6613, 3039603), (8169, 2460631), (8193, 2453423), (18921, 1062359), (19117, 1051467), (19839, 1013201), (20617, 974967), (46291, 434229), (46427, 432957), (57351, 350489), (61851, 324989), (138873, 144743), (139281, 144319)]