20121242912

素因数分解:

$2^5\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1\times {\mathrm{1871}}^1$

素因数の和:2242

約数の個数: 96

約数和(自身を含む): 42162591744

約数和(自身を除く): 22041348832

約数列:

[1, 2, 4, 8, 16, 31, 32, 37, 62, 74, 124, 148, 248, 293, 296, 496, 586, 592, 992, 1147, 1172, 1184, 1871, 2294, 2344, 3742, 4588, 4688, 7484, 9083, 9176, 9376, 10841, 14968, 18166, 18352, 21682, 29936, 36332, 36704, 43364, 58001, 59872, 69227, 72664, 86728, 116002, 138454, 145328, 173456, 232004, 276908, 290656, 336071, 346912, 464008, 548203, 553816, 672142, 928016, 1096406, 1107632, 1344284, 1856032, 2146037, 2192812, 2215264, 2688568, 4292074, 4385624, 5377136, 8584148, 8771248, 10754272, 16994293, 17168296, 17542496, 20283511, 33988586, 34336592, 40567022, 67977172, 68673184, 81134044, 135954344, 162268088, 271908688, 324536176, 543817376, 628788841, 649072352, 1257577682, 2515155364, 5030310728, 10060621456, 20121242912]

約数ペア:

[(1, 20121242912), (2, 10060621456), (4, 5030310728), (8, 2515155364), (16, 1257577682), (31, 649072352), (32, 628788841), (37, 543817376), (62, 324536176), (74, 271908688), (124, 162268088), (148, 135954344), (248, 81134044), (293, 68673184), (296, 67977172), (496, 40567022), (586, 34336592), (592, 33988586), (992, 20283511), (1147, 17542496), (1172, 17168296), (1184, 16994293), (1871, 10754272), (2294, 8771248), (2344, 8584148), (3742, 5377136), (4588, 4385624), (4688, 4292074), (7484, 2688568), (9083, 2215264), (9176, 2192812), (9376, 2146037), (10841, 1856032), (14968, 1344284), (18166, 1107632), (18352, 1096406), (21682, 928016), (29936, 672142), (36332, 553816), (36704, 548203), (43364, 464008), (58001, 346912), (59872, 336071), (69227, 290656), (72664, 276908), (86728, 232004), (116002, 173456), (138454, 145328)]