20688144832

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{467}}^1\times {\mathrm{2143}}^1$

素因数の和:2658

約数の個数: 112

約数和(自身を含む): 45875082240

約数和(自身を除く): 25186937408

約数列:

[1, 2, 4, 8, 16, 17, 19, 32, 34, 38, 64, 68, 76, 136, 152, 272, 304, 323, 467, 544, 608, 646, 934, 1088, 1216, 1292, 1868, 2143, 2584, 3736, 4286, 5168, 7472, 7939, 8572, 8873, 10336, 14944, 15878, 17144, 17746, 20672, 29888, 31756, 34288, 35492, 36431, 40717, 63512, 68576, 70984, 72862, 81434, 127024, 137152, 141968, 145724, 150841, 162868, 254048, 283936, 291448, 301682, 325736, 508096, 567872, 582896, 603364, 651472, 692189, 1000781, 1165792, 1206728, 1302944, 1384378, 2001562, 2331584, 2413456, 2605888, 2768756, 4003124, 4826912, 5537512, 8006248, 9653824, 11075024, 16012496, 17013277, 19014839, 22150048, 32024992, 34026554, 38029678, 44300096, 64049984, 68053108, 76059356, 136106216, 152118712, 272212432, 304237424, 323252263, 544424864, 608474848, 646504526, 1088849728, 1216949696, 1293009052, 2586018104, 5172036208, 10344072416, 20688144832]

約数ペア:

[(1, 20688144832), (2, 10344072416), (4, 5172036208), (8, 2586018104), (16, 1293009052), (17, 1216949696), (19, 1088849728), (32, 646504526), (34, 608474848), (38, 544424864), (64, 323252263), (68, 304237424), (76, 272212432), (136, 152118712), (152, 136106216), (272, 76059356), (304, 68053108), (323, 64049984), (467, 44300096), (544, 38029678), (608, 34026554), (646, 32024992), (934, 22150048), (1088, 19014839), (1216, 17013277), (1292, 16012496), (1868, 11075024), (2143, 9653824), (2584, 8006248), (3736, 5537512), (4286, 4826912), (5168, 4003124), (7472, 2768756), (7939, 2605888), (8572, 2413456), (8873, 2331584), (10336, 2001562), (14944, 1384378), (15878, 1302944), (17144, 1206728), (17746, 1165792), (20672, 1000781), (29888, 692189), (31756, 651472), (34288, 603364), (35492, 582896), (36431, 567872), (40717, 508096), (63512, 325736), (68576, 301682), (70984, 291448), (72862, 283936), (81434, 254048), (127024, 162868), (137152, 150841), (141968, 145724)]