20486560920

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{23}}^1\times {\mathrm{151483}}^1$

素因数の和:151534

約数の個数: 192

約数和(自身を含む): 74602840320

約数和(自身を除く): 54116279400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 23, 24, 28, 30, 35, 40, 42, 46, 49, 56, 60, 69, 70, 84, 92, 98, 105, 115, 120, 138, 140, 147, 161, 168, 184, 196, 210, 230, 245, 276, 280, 294, 322, 345, 392, 420, 460, 483, 490, 552, 588, 644, 690, 735, 805, 840, 920, 966, 980, 1127, 1176, 1288, 1380, 1470, 1610, 1932, 1960, 2254, 2415, 2760, 2940, 3220, 3381, 3864, 4508, 4830, 5635, 5880, 6440, 6762, 9016, 9660, 11270, 13524, 16905, 19320, 22540, 27048, 33810, 45080, 67620, 135240, 151483, 302966, 454449, 605932, 757415, 908898, 1060381, 1211864, 1514830, 1817796, 2120762, 2272245, 3029660, 3181143, 3484109, 3635592, 4241524, 4544490, 5301905, 6059320, 6362286, 6968218, 7422667, 8483048, 9088980, 10452327, 10603810, 12724572, 13936436, 14845334, 15905715, 17420545, 18177960, 20904654, 21207620, 22268001, 24388763, 25449144, 27872872, 29690668, 31811430, 34841090, 37113335, 41809308, 42415240, 44536002, 48777526, 52261635, 59381336, 63622860, 69682180, 73166289, 74226670, 83618616, 89072004, 97555052, 104523270, 111340005, 121943815, 127245720, 139364360, 146332578, 148453340, 170721341, 178144008, 195110104, 209046540, 222680010, 243887630, 292665156, 296906680, 341442682, 365831445, 418093080, 445360020, 487775260, 512164023, 585330312, 682885364, 731662890, 853606705, 890720040, 975550520, 1024328046, 1365770728, 1463325780, 1707213410, 2048656092, 2560820115, 2926651560, 3414426820, 4097312184, 5121640230, 6828853640, 10243280460, 20486560920]

約数ペア:

[(1, 20486560920), (2, 10243280460), (3, 6828853640), (4, 5121640230), (5, 4097312184), (6, 3414426820), (7, 2926651560), (8, 2560820115), (10, 2048656092), (12, 1707213410), (14, 1463325780), (15, 1365770728), (20, 1024328046), (21, 975550520), (23, 890720040), (24, 853606705), (28, 731662890), (30, 682885364), (35, 585330312), (40, 512164023), (42, 487775260), (46, 445360020), (49, 418093080), (56, 365831445), (60, 341442682), (69, 296906680), (70, 292665156), (84, 243887630), (92, 222680010), (98, 209046540), (105, 195110104), (115, 178144008), (120, 170721341), (138, 148453340), (140, 146332578), (147, 139364360), (161, 127245720), (168, 121943815), (184, 111340005), (196, 104523270), (210, 97555052), (230, 89072004), (245, 83618616), (276, 74226670), (280, 73166289), (294, 69682180), (322, 63622860), (345, 59381336), (392, 52261635), (420, 48777526), (460, 44536002), (483, 42415240), (490, 41809308), (552, 37113335), (588, 34841090), (644, 31811430), (690, 29690668), (735, 27872872), (805, 25449144), (840, 24388763), (920, 22268001), (966, 21207620), (980, 20904654), (1127, 18177960), (1176, 17420545), (1288, 15905715), (1380, 14845334), (1470, 13936436), (1610, 12724572), (1932, 10603810), (1960, 10452327), (2254, 9088980), (2415, 8483048), (2760, 7422667), (2940, 6968218), (3220, 6362286), (3381, 6059320), (3864, 5301905), (4508, 4544490), (4830, 4241524), (5635, 3635592), (5880, 3484109), (6440, 3181143), (6762, 3029660), (9016, 2272245), (9660, 2120762), (11270, 1817796), (13524, 1514830), (16905, 1211864), (19320, 1060381), (22540, 908898), (27048, 757415), (33810, 605932), (45080, 454449), (67620, 302966), (135240, 151483)]