20120427184

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{64189}}^1$

素因数の和:64358

約数の個数: 80

約数和(自身を含む): 46133609760

約数和(自身を除く): 26013182576

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 137, 143, 176, 208, 274, 286, 548, 572, 1096, 1144, 1507, 1781, 2192, 2288, 3014, 3562, 6028, 7124, 12056, 14248, 19591, 24112, 28496, 39182, 64189, 78364, 128378, 156728, 256756, 313456, 513512, 706079, 834457, 1027024, 1412158, 1668914, 2824316, 3337828, 5648632, 6675656, 8793893, 9179027, 11297264, 13351312, 17587786, 18358054, 35175572, 36716108, 70351144, 73432216, 96732823, 114320609, 140702288, 146864432, 193465646, 228641218, 386931292, 457282436, 773862584, 914564872, 1257526699, 1547725168, 1829129744, 2515053398, 5030106796, 10060213592, 20120427184]

約数ペア:

[(1, 20120427184), (2, 10060213592), (4, 5030106796), (8, 2515053398), (11, 1829129744), (13, 1547725168), (16, 1257526699), (22, 914564872), (26, 773862584), (44, 457282436), (52, 386931292), (88, 228641218), (104, 193465646), (137, 146864432), (143, 140702288), (176, 114320609), (208, 96732823), (274, 73432216), (286, 70351144), (548, 36716108), (572, 35175572), (1096, 18358054), (1144, 17587786), (1507, 13351312), (1781, 11297264), (2192, 9179027), (2288, 8793893), (3014, 6675656), (3562, 5648632), (6028, 3337828), (7124, 2824316), (12056, 1668914), (14248, 1412158), (19591, 1027024), (24112, 834457), (28496, 706079), (39182, 513512), (64189, 313456), (78364, 256756), (128378, 156728)]