20121103912

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{2399}}^1$

素因数の和:2747

約数の個数: 128

約数和(自身を含む): 47755008000

約数和(自身を除く): 27633904088

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 41, 52, 56, 82, 91, 104, 164, 182, 281, 287, 328, 364, 533, 562, 574, 728, 1066, 1124, 1148, 1967, 2132, 2248, 2296, 2399, 3653, 3731, 3934, 4264, 4798, 7306, 7462, 7868, 9596, 11521, 14612, 14924, 15736, 16793, 19192, 23042, 25571, 29224, 29848, 31187, 33586, 46084, 51142, 62374, 67172, 80647, 92168, 98359, 102284, 124748, 134344, 149773, 161294, 196718, 204568, 218309, 249496, 299546, 322588, 393436, 436618, 599092, 645176, 674119, 688513, 786872, 873236, 1048411, 1198184, 1278667, 1348238, 1377026, 1746472, 2096822, 2557334, 2696476, 2754052, 4193644, 4718833, 5114668, 5392952, 5508104, 8387288, 8763547, 8950669, 9437666, 10229336, 17527094, 17901338, 18875332, 27638879, 35054188, 35802676, 37750664, 55277758, 61344829, 70108376, 71605352, 110555516, 122689658, 193472153, 221111032, 245379316, 359305427, 386944306, 490758632, 718610854, 773888612, 1437221708, 1547777224, 2515137989, 2874443416, 5030275978, 10060551956, 20121103912]

約数ペア:

[(1, 20121103912), (2, 10060551956), (4, 5030275978), (7, 2874443416), (8, 2515137989), (13, 1547777224), (14, 1437221708), (26, 773888612), (28, 718610854), (41, 490758632), (52, 386944306), (56, 359305427), (82, 245379316), (91, 221111032), (104, 193472153), (164, 122689658), (182, 110555516), (281, 71605352), (287, 70108376), (328, 61344829), (364, 55277758), (533, 37750664), (562, 35802676), (574, 35054188), (728, 27638879), (1066, 18875332), (1124, 17901338), (1148, 17527094), (1967, 10229336), (2132, 9437666), (2248, 8950669), (2296, 8763547), (2399, 8387288), (3653, 5508104), (3731, 5392952), (3934, 5114668), (4264, 4718833), (4798, 4193644), (7306, 2754052), (7462, 2696476), (7868, 2557334), (9596, 2096822), (11521, 1746472), (14612, 1377026), (14924, 1348238), (15736, 1278667), (16793, 1198184), (19192, 1048411), (23042, 873236), (25571, 786872), (29224, 688513), (29848, 674119), (31187, 645176), (33586, 599092), (46084, 436618), (51142, 393436), (62374, 322588), (67172, 299546), (80647, 249496), (92168, 218309), (98359, 204568), (102284, 196718), (124748, 161294), (134344, 149773)]