20745302912

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{3323}}^1$

素因数の和:3524

約数の個数: 128

約数和(自身を含む): 46381766400

約数和(自身を除く): 25636463488

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 128, 136, 151, 152, 272, 302, 304, 323, 544, 604, 608, 646, 1088, 1208, 1216, 1292, 2176, 2416, 2432, 2567, 2584, 2869, 3323, 4832, 5134, 5168, 5738, 6646, 9664, 10268, 10336, 11476, 13292, 19328, 20536, 20672, 22952, 26584, 41072, 41344, 45904, 48773, 53168, 56491, 63137, 82144, 91808, 97546, 106336, 112982, 126274, 164288, 183616, 195092, 212672, 225964, 252548, 328576, 367232, 390184, 425344, 451928, 501773, 505096, 780368, 903856, 1003546, 1010192, 1073329, 1560736, 1807712, 2007092, 2020384, 2146658, 3121472, 3615424, 4014184, 4040768, 4293316, 6242944, 7230848, 8028368, 8081536, 8530141, 8586632, 9533687, 16056736, 17060282, 17173264, 19067374, 32113472, 34120564, 34346528, 38134748, 64226944, 68241128, 68693056, 76269496, 136482256, 137386112, 152538992, 162072679, 272964512, 305077984, 324145358, 545929024, 610155968, 648290716, 1091858048, 1220311936, 1296581432, 2593162864, 5186325728, 10372651456, 20745302912]

約数ペア:

[(1, 20745302912), (2, 10372651456), (4, 5186325728), (8, 2593162864), (16, 1296581432), (17, 1220311936), (19, 1091858048), (32, 648290716), (34, 610155968), (38, 545929024), (64, 324145358), (68, 305077984), (76, 272964512), (128, 162072679), (136, 152538992), (151, 137386112), (152, 136482256), (272, 76269496), (302, 68693056), (304, 68241128), (323, 64226944), (544, 38134748), (604, 34346528), (608, 34120564), (646, 32113472), (1088, 19067374), (1208, 17173264), (1216, 17060282), (1292, 16056736), (2176, 9533687), (2416, 8586632), (2432, 8530141), (2567, 8081536), (2584, 8028368), (2869, 7230848), (3323, 6242944), (4832, 4293316), (5134, 4040768), (5168, 4014184), (5738, 3615424), (6646, 3121472), (9664, 2146658), (10268, 2020384), (10336, 2007092), (11476, 1807712), (13292, 1560736), (19328, 1073329), (20536, 1010192), (20672, 1003546), (22952, 903856), (26584, 780368), (41072, 505096), (41344, 501773), (45904, 451928), (48773, 425344), (53168, 390184), (56491, 367232), (63137, 328576), (82144, 252548), (91808, 225964), (97546, 212672), (106336, 195092), (112982, 183616), (126274, 164288)]