20130807856

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{461}}^1\times {\mathrm{4339}}^1$

素因数の和:4862

約数の個数: 80

約数和(自身を含む): 42515716320

約数和(自身を除く): 22384908464

約数列:

[1, 2, 4, 8, 16, 17, 34, 37, 68, 74, 136, 148, 272, 296, 461, 592, 629, 922, 1258, 1844, 2516, 3688, 4339, 5032, 7376, 7837, 8678, 10064, 15674, 17057, 17356, 31348, 34114, 34712, 62696, 68228, 69424, 73763, 125392, 136456, 147526, 160543, 272912, 289969, 295052, 321086, 579938, 590104, 642172, 1159876, 1180208, 1284344, 2000279, 2319752, 2568688, 2729231, 4000558, 4639504, 5458462, 8001116, 10916924, 16002232, 21833848, 32004464, 34004743, 43667696, 68009486, 74010323, 136018972, 148020646, 272037944, 296041292, 544075888, 592082584, 1184165168, 1258175491, 2516350982, 5032701964, 10065403928, 20130807856]

約数ペア:

[(1, 20130807856), (2, 10065403928), (4, 5032701964), (8, 2516350982), (16, 1258175491), (17, 1184165168), (34, 592082584), (37, 544075888), (68, 296041292), (74, 272037944), (136, 148020646), (148, 136018972), (272, 74010323), (296, 68009486), (461, 43667696), (592, 34004743), (629, 32004464), (922, 21833848), (1258, 16002232), (1844, 10916924), (2516, 8001116), (3688, 5458462), (4339, 4639504), (5032, 4000558), (7376, 2729231), (7837, 2568688), (8678, 2319752), (10064, 2000279), (15674, 1284344), (17057, 1180208), (17356, 1159876), (31348, 642172), (34114, 590104), (34712, 579938), (62696, 321086), (68228, 295052), (69424, 289969), (73763, 272912), (125392, 160543), (136456, 147526)]