20880998754

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{181}}^1\times {\mathrm{3517}}^1$

素因数の和:3792

約数の個数: 128

約数和(自身を含む): 53107052544

約数和(自身を除く): 32226053790

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 71, 77, 142, 154, 181, 213, 231, 362, 426, 462, 497, 543, 781, 994, 1086, 1267, 1491, 1562, 1991, 2343, 2534, 2982, 3517, 3801, 3982, 4686, 5467, 5973, 7034, 7602, 10551, 10934, 11946, 12851, 13937, 16401, 21102, 24619, 25702, 27874, 32802, 38553, 38687, 41811, 49238, 73857, 77106, 77374, 83622, 89957, 116061, 141361, 147714, 179914, 232122, 249707, 269871, 270809, 282722, 424083, 499414, 539742, 541618, 636577, 749121, 812427, 848166, 989527, 1273154, 1498242, 1624854, 1747949, 1909731, 1979054, 2746777, 2968581, 3495898, 3819462, 4456039, 5243847, 5493554, 5937162, 7002347, 8240331, 8912078, 10487694, 13368117, 14004694, 16480662, 19227439, 21007041, 26736234, 38454878, 42014082, 45196967, 49016429, 57682317, 90393934, 98032858, 115364634, 135590901, 147049287, 271181802, 294098574, 316378769, 497166637, 632757538, 949136307, 994333274, 1491499911, 1898272614, 2982999822, 3480166459, 6960332918, 10440499377, 20880998754]

約数ペア:

[(1, 20880998754), (2, 10440499377), (3, 6960332918), (6, 3480166459), (7, 2982999822), (11, 1898272614), (14, 1491499911), (21, 994333274), (22, 949136307), (33, 632757538), (42, 497166637), (66, 316378769), (71, 294098574), (77, 271181802), (142, 147049287), (154, 135590901), (181, 115364634), (213, 98032858), (231, 90393934), (362, 57682317), (426, 49016429), (462, 45196967), (497, 42014082), (543, 38454878), (781, 26736234), (994, 21007041), (1086, 19227439), (1267, 16480662), (1491, 14004694), (1562, 13368117), (1991, 10487694), (2343, 8912078), (2534, 8240331), (2982, 7002347), (3517, 5937162), (3801, 5493554), (3982, 5243847), (4686, 4456039), (5467, 3819462), (5973, 3495898), (7034, 2968581), (7602, 2746777), (10551, 1979054), (10934, 1909731), (11946, 1747949), (12851, 1624854), (13937, 1498242), (16401, 1273154), (21102, 989527), (24619, 848166), (25702, 812427), (27874, 749121), (32802, 636577), (38553, 541618), (38687, 539742), (41811, 499414), (49238, 424083), (73857, 282722), (77106, 270809), (77374, 269871), (83622, 249707), (89957, 232122), (116061, 179914), (141361, 147714)]