20121567678918

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{727}}^1\times {\mathrm{355853}}^1$

素因数の和:356766

約数の個数: 96

約数和(自身を含む): 45465330456000

約数和(自身を除く): 25343762777082

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 149, 174, 261, 298, 447, 522, 727, 894, 1341, 1454, 2181, 2682, 4321, 4362, 6543, 8642, 12963, 13086, 21083, 25926, 38889, 42166, 63249, 77778, 108323, 126498, 189747, 216646, 324969, 355853, 379494, 649938, 711706, 974907, 1067559, 1949814, 2135118, 3141367, 3202677, 6282734, 6405354, 9424101, 10319737, 18848202, 20639474, 28272303, 30959211, 53022097, 56544606, 61918422, 92877633, 106044194, 159066291, 185755266, 258705131, 318132582, 477198873, 517410262, 776115393, 954397746, 1537640813, 1552230786, 2328346179, 3075281626, 4612922439, 4656692358, 7502448799, 9225844878, 13838767317, 15004897598, 22507346397, 27677534634, 38547064519, 45014692794, 67522039191, 77094129038, 115641193557, 135044078382, 231282387114, 346923580671, 693847161342, 1117864871051, 2235729742102, 3353594613153, 6707189226306, 10060783839459, 20121567678918]

約数ペア:

[(1, 20121567678918), (2, 10060783839459), (3, 6707189226306), (6, 3353594613153), (9, 2235729742102), (18, 1117864871051), (29, 693847161342), (58, 346923580671), (87, 231282387114), (149, 135044078382), (174, 115641193557), (261, 77094129038), (298, 67522039191), (447, 45014692794), (522, 38547064519), (727, 27677534634), (894, 22507346397), (1341, 15004897598), (1454, 13838767317), (2181, 9225844878), (2682, 7502448799), (4321, 4656692358), (4362, 4612922439), (6543, 3075281626), (8642, 2328346179), (12963, 1552230786), (13086, 1537640813), (21083, 954397746), (25926, 776115393), (38889, 517410262), (42166, 477198873), (63249, 318132582), (77778, 258705131), (108323, 185755266), (126498, 159066291), (189747, 106044194), (216646, 92877633), (324969, 61918422), (355853, 56544606), (379494, 53022097), (649938, 30959211), (711706, 28272303), (974907, 20639474), (1067559, 18848202), (1949814, 10319737), (2135118, 9424101), (3141367, 6405354), (3202677, 6282734)]