20637894368

素因数分解:

$2^5\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{228619}}^1$

素因数の和:228680

約数の個数: 96

約数和(自身を含む): 51620567040

約数和(自身を除く): 30982672672

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 31, 32, 52, 56, 62, 91, 104, 112, 124, 182, 208, 217, 224, 248, 364, 403, 416, 434, 496, 728, 806, 868, 992, 1456, 1612, 1736, 2821, 2912, 3224, 3472, 5642, 6448, 6944, 11284, 12896, 22568, 45136, 90272, 228619, 457238, 914476, 1600333, 1828952, 2972047, 3200666, 3657904, 5944094, 6401332, 7087189, 7315808, 11888188, 12802664, 14174378, 20804329, 23776376, 25605328, 28348756, 41608658, 47552752, 49610323, 51210656, 56697512, 83217316, 92133457, 95105504, 99220646, 113395024, 166434632, 184266914, 198441292, 226790048, 332869264, 368533828, 396882584, 644934199, 665738528, 737067656, 793765168, 1289868398, 1474135312, 1587530336, 2579736796, 2948270624, 5159473592, 10318947184, 20637894368]

約数ペア:

[(1, 20637894368), (2, 10318947184), (4, 5159473592), (7, 2948270624), (8, 2579736796), (13, 1587530336), (14, 1474135312), (16, 1289868398), (26, 793765168), (28, 737067656), (31, 665738528), (32, 644934199), (52, 396882584), (56, 368533828), (62, 332869264), (91, 226790048), (104, 198441292), (112, 184266914), (124, 166434632), (182, 113395024), (208, 99220646), (217, 95105504), (224, 92133457), (248, 83217316), (364, 56697512), (403, 51210656), (416, 49610323), (434, 47552752), (496, 41608658), (728, 28348756), (806, 25605328), (868, 23776376), (992, 20804329), (1456, 14174378), (1612, 12802664), (1736, 11888188), (2821, 7315808), (2912, 7087189), (3224, 6401332), (3472, 5944094), (5642, 3657904), (6448, 3200666), (6944, 2972047), (11284, 1828952), (12896, 1600333), (22568, 914476), (45136, 457238), (90272, 228619)]