About the Number
20121008520
2進数表記:10010101111010011100011100110001000
漢数字表記:二百一億二千百万八千五百二十
素因数分解:
素因数の和:86407
約数の個数: 128
約数和(自身を含む): 63377251200
約数和(自身を除く): 43256242680
約数列:
[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 67, 87, 116, 120, 134, 145, 174, 201, 232, 268, 290, 335, 348, 402, 435, 536, 580, 670, 696, 804, 870, 1005, 1160, 1340, 1608, 1740, 1943, 2010, 2680, 3480, 3886, 4020, 5829, 7772, 8040, 9715, 11658, 15544, 19430, 23316, 29145, 38860, 46632, 58290, 77720, 86297, 116580, 172594, 233160, 258891, 345188, 431485, 517782, 690376, 862970, 1035564, 1294455, 1725940, 2071128, 2502613, 2588910, 3451880, 5005226, 5177820, 5781899, 7507839, 10010452, 10355640, 11563798, 12513065, 15015678, 17345697, 20020904, 23127596, 25026130, 28909495, 30031356, 34691394, 37539195, 46255192, 50052260, 57818990, 60062712, 69382788, 75078390, 86728485, 100104520, 115637980, 138765576, 150156780, 167675071, 173456970, 231275960, 300313560, 335350142, 346913940, 503025213, 670700284, 693827880, 838375355, 1006050426, 1341400568, 1676750710, 2012100852, 2515126065, 3353501420, 4024201704, 5030252130, 6707002840, 10060504260, 20121008520]
約数ペア:
[(1, 20121008520), (2, 10060504260), (3, 6707002840), (4, 5030252130), (5, 4024201704), (6, 3353501420), (8, 2515126065), (10, 2012100852), (12, 1676750710), (15, 1341400568), (20, 1006050426), (24, 838375355), (29, 693827880), (30, 670700284), (40, 503025213), (58, 346913940), (60, 335350142), (67, 300313560), (87, 231275960), (116, 173456970), (120, 167675071), (134, 150156780), (145, 138765576), (174, 115637980), (201, 100104520), (232, 86728485), (268, 75078390), (290, 69382788), (335, 60062712), (348, 57818990), (402, 50052260), (435, 46255192), (536, 37539195), (580, 34691394), (670, 30031356), (696, 28909495), (804, 25026130), (870, 23127596), (1005, 20020904), (1160, 17345697), (1340, 15015678), (1608, 12513065), (1740, 11563798), (1943, 10355640), (2010, 10010452), (2680, 7507839), (3480, 5781899), (3886, 5177820), (4020, 5005226), (5829, 3451880), (7772, 2588910), (8040, 2502613), (9715, 2071128), (11658, 1725940), (15544, 1294455), (19430, 1035564), (23316, 862970), (29145, 690376), (38860, 517782), (46632, 431485), (58290, 345188), (77720, 258891), (86297, 233160), (116580, 172594)]このpageの処理時間: 0.5159847736358643 seconds