20187958648

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{617}}^1\times {\mathrm{773}}^1$

素因数の和:1457

約数の個数: 128

約数和(自身を含む): 45805072320

約数和(自身を除く): 25617113672

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 37, 44, 52, 74, 88, 104, 143, 148, 286, 296, 407, 481, 572, 617, 773, 814, 962, 1144, 1234, 1546, 1628, 1924, 2468, 3092, 3256, 3848, 4936, 5291, 6184, 6787, 8021, 8503, 10049, 10582, 13574, 16042, 17006, 20098, 21164, 22829, 27148, 28601, 32084, 34012, 40196, 42328, 45658, 54296, 57202, 64168, 68024, 80392, 88231, 91316, 110539, 114404, 176462, 182632, 221078, 228808, 251119, 296777, 314611, 352924, 371813, 442156, 476941, 502238, 593554, 629222, 705848, 743626, 884312, 953882, 1004476, 1187108, 1258444, 1487252, 1907764, 2008952, 2374216, 2516888, 2974504, 3264547, 3815528, 4089943, 5246351, 6200233, 6529094, 8179886, 10492702, 12400466, 13058188, 16359772, 17646817, 20985404, 24800932, 26116376, 32719544, 35293634, 41970808, 49601864, 68202563, 70587268, 136405126, 141174536, 194114987, 229408621, 272810252, 388229974, 458817242, 545620504, 776459948, 917634484, 1552919896, 1835268968, 2523494831, 5046989662, 10093979324, 20187958648]

約数ペア:

[(1, 20187958648), (2, 10093979324), (4, 5046989662), (8, 2523494831), (11, 1835268968), (13, 1552919896), (22, 917634484), (26, 776459948), (37, 545620504), (44, 458817242), (52, 388229974), (74, 272810252), (88, 229408621), (104, 194114987), (143, 141174536), (148, 136405126), (286, 70587268), (296, 68202563), (407, 49601864), (481, 41970808), (572, 35293634), (617, 32719544), (773, 26116376), (814, 24800932), (962, 20985404), (1144, 17646817), (1234, 16359772), (1546, 13058188), (1628, 12400466), (1924, 10492702), (2468, 8179886), (3092, 6529094), (3256, 6200233), (3848, 5246351), (4936, 4089943), (5291, 3815528), (6184, 3264547), (6787, 2974504), (8021, 2516888), (8503, 2374216), (10049, 2008952), (10582, 1907764), (13574, 1487252), (16042, 1258444), (17006, 1187108), (20098, 1004476), (21164, 953882), (22829, 884312), (27148, 743626), (28601, 705848), (32084, 629222), (34012, 593554), (40196, 502238), (42328, 476941), (45658, 442156), (54296, 371813), (57202, 352924), (64168, 314611), (68024, 296777), (80392, 251119), (88231, 228808), (91316, 221078), (110539, 182632), (114404, 176462)]