20771349530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{839}}^1\times {\mathrm{1063}}^1$

素因数の和:2063

約数の個数: 64

約数和(自身を含む): 39961797120

約数和(自身を除く): 19190447590

約数列:

[1, 2, 5, 10, 17, 34, 85, 137, 170, 274, 685, 839, 1063, 1370, 1678, 2126, 2329, 4195, 4658, 5315, 8390, 10630, 11645, 14263, 18071, 23290, 28526, 36142, 71315, 90355, 114943, 142630, 145631, 180710, 229886, 291262, 574715, 728155, 891857, 1149430, 1456310, 1783714, 1954031, 2475727, 3908062, 4459285, 4951454, 8918570, 9770155, 12378635, 15161569, 19540310, 24757270, 30323138, 75807845, 122184409, 151615690, 244368818, 610922045, 1221844090, 2077134953, 4154269906, 10385674765, 20771349530]

約数ペア:

[(1, 20771349530), (2, 10385674765), (5, 4154269906), (10, 2077134953), (17, 1221844090), (34, 610922045), (85, 244368818), (137, 151615690), (170, 122184409), (274, 75807845), (685, 30323138), (839, 24757270), (1063, 19540310), (1370, 15161569), (1678, 12378635), (2126, 9770155), (2329, 8918570), (4195, 4951454), (4658, 4459285), (5315, 3908062), (8390, 2475727), (10630, 1954031), (11645, 1783714), (14263, 1456310), (18071, 1149430), (23290, 891857), (28526, 728155), (36142, 574715), (71315, 291262), (90355, 229886), (114943, 180710), (142630, 145631)]