20122088840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{277}}^1\times {\mathrm{8369}}^1$

素因数の和:8695

約数の個数: 128

約数和(自身を含む): 53610854400

約数和(自身を除く): 33488765560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 56, 62, 70, 124, 140, 155, 217, 248, 277, 280, 310, 434, 554, 620, 868, 1085, 1108, 1240, 1385, 1736, 1939, 2170, 2216, 2770, 3878, 4340, 5540, 7756, 8369, 8587, 8680, 9695, 11080, 15512, 16738, 17174, 19390, 33476, 34348, 38780, 41845, 42935, 58583, 60109, 66952, 68696, 77560, 83690, 85870, 117166, 120218, 167380, 171740, 234332, 240436, 259439, 292915, 300545, 334760, 343480, 468664, 480872, 518878, 585830, 601090, 1037756, 1171660, 1202180, 1297195, 1816073, 2075512, 2318213, 2343320, 2404360, 2594390, 3632146, 4636426, 5188780, 7264292, 9080365, 9272852, 10377560, 11591065, 14528584, 16227491, 18160730, 18545704, 23182130, 32454982, 36321460, 46364260, 64909964, 71864603, 72642920, 81137455, 92728520, 129819928, 143729206, 162274910, 287458412, 324549820, 359323015, 503052221, 574916824, 649099640, 718646030, 1006104442, 1437292060, 2012208884, 2515261105, 2874584120, 4024417768, 5030522210, 10061044420, 20122088840]

約数ペア:

[(1, 20122088840), (2, 10061044420), (4, 5030522210), (5, 4024417768), (7, 2874584120), (8, 2515261105), (10, 2012208884), (14, 1437292060), (20, 1006104442), (28, 718646030), (31, 649099640), (35, 574916824), (40, 503052221), (56, 359323015), (62, 324549820), (70, 287458412), (124, 162274910), (140, 143729206), (155, 129819928), (217, 92728520), (248, 81137455), (277, 72642920), (280, 71864603), (310, 64909964), (434, 46364260), (554, 36321460), (620, 32454982), (868, 23182130), (1085, 18545704), (1108, 18160730), (1240, 16227491), (1385, 14528584), (1736, 11591065), (1939, 10377560), (2170, 9272852), (2216, 9080365), (2770, 7264292), (3878, 5188780), (4340, 4636426), (5540, 3632146), (7756, 2594390), (8369, 2404360), (8587, 2343320), (8680, 2318213), (9695, 2075512), (11080, 1816073), (15512, 1297195), (16738, 1202180), (17174, 1171660), (19390, 1037756), (33476, 601090), (34348, 585830), (38780, 518878), (41845, 480872), (42935, 468664), (58583, 343480), (60109, 334760), (66952, 300545), (68696, 292915), (77560, 259439), (83690, 240436), (85870, 234332), (117166, 171740), (120218, 167380)]