20156978520

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{2666267}}^1$

素因数の和:2666294

約数の個数: 128

約数和(自身を含む): 76788518400

約数和(自身を除く): 56631539880

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 7560, 2666267, 5332534, 7998801, 10665068, 13331335, 15997602, 18663869, 21330136, 23996403, 26662670, 31995204, 37327738, 39994005, 47992806, 53325340, 55991607, 63990408, 71989209, 74655476, 79988010, 93319345, 95985612, 106650680, 111983214, 119982015, 143978418, 149310952, 159976020, 167974821, 186638690, 191971224, 223966428, 239964030, 279958035, 287956836, 319952040, 335949642, 359946045, 373277380, 447932856, 479928060, 503924463, 559916070, 575913672, 671899284, 719892090, 746554760, 839874105, 959856120, 1007848926, 1119832140, 1343798568, 1439784180, 1679748210, 2015697852, 2239664280, 2519622315, 2879568360, 3359496420, 4031395704, 5039244630, 6718992840, 10078489260, 20156978520]

約数ペア:

[(1, 20156978520), (2, 10078489260), (3, 6718992840), (4, 5039244630), (5, 4031395704), (6, 3359496420), (7, 2879568360), (8, 2519622315), (9, 2239664280), (10, 2015697852), (12, 1679748210), (14, 1439784180), (15, 1343798568), (18, 1119832140), (20, 1007848926), (21, 959856120), (24, 839874105), (27, 746554760), (28, 719892090), (30, 671899284), (35, 575913672), (36, 559916070), (40, 503924463), (42, 479928060), (45, 447932856), (54, 373277380), (56, 359946045), (60, 335949642), (63, 319952040), (70, 287956836), (72, 279958035), (84, 239964030), (90, 223966428), (105, 191971224), (108, 186638690), (120, 167974821), (126, 159976020), (135, 149310952), (140, 143978418), (168, 119982015), (180, 111983214), (189, 106650680), (210, 95985612), (216, 93319345), (252, 79988010), (270, 74655476), (280, 71989209), (315, 63990408), (360, 55991607), (378, 53325340), (420, 47992806), (504, 39994005), (540, 37327738), (630, 31995204), (756, 26662670), (840, 23996403), (945, 21330136), (1080, 18663869), (1260, 15997602), (1512, 13331335), (1890, 10665068), (2520, 7998801), (3780, 5332534), (7560, 2666267)]