20565993994

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{641}}^1\times {\mathrm{1019}}^1$

素因数の和:1855

約数の個数: 64

約数和(自身を含む): 38284565760

約数和(自身を除く): 17718571766

約数列:

[1, 2, 7, 13, 14, 26, 91, 173, 182, 346, 641, 1019, 1211, 1282, 2038, 2249, 2422, 4487, 4498, 7133, 8333, 8974, 13247, 14266, 15743, 16666, 26494, 31486, 58331, 92729, 110893, 116662, 176287, 185458, 221786, 352574, 653179, 776251, 1234009, 1306358, 1441609, 1552502, 2291731, 2468018, 2883218, 4572253, 4583462, 8491327, 9144506, 10091263, 16042117, 16982654, 20182526, 32084234, 59439289, 112999967, 118878578, 225999934, 790999769, 1468999571, 1581999538, 2937999142, 10282996997, 20565993994]

約数ペア:

[(1, 20565993994), (2, 10282996997), (7, 2937999142), (13, 1581999538), (14, 1468999571), (26, 790999769), (91, 225999934), (173, 118878578), (182, 112999967), (346, 59439289), (641, 32084234), (1019, 20182526), (1211, 16982654), (1282, 16042117), (2038, 10091263), (2249, 9144506), (2422, 8491327), (4487, 4583462), (4498, 4572253), (7133, 2883218), (8333, 2468018), (8974, 2291731), (13247, 1552502), (14266, 1441609), (15743, 1306358), (16666, 1234009), (26494, 776251), (31486, 653179), (58331, 352574), (92729, 221786), (110893, 185458), (116662, 176287)]