20137809840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{587}}^1\times {\mathrm{641}}^1$

素因数の和:1467

約数の個数: 160

約数和(自身を含む): 62911973376

約数和(自身を除く): 42774163536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 223, 240, 446, 587, 641, 669, 892, 1115, 1174, 1282, 1338, 1761, 1784, 1923, 2230, 2348, 2564, 2676, 2935, 3205, 3345, 3522, 3568, 3846, 4460, 4696, 5128, 5352, 5870, 6410, 6690, 7044, 7692, 8805, 8920, 9392, 9615, 10256, 10704, 11740, 12820, 13380, 14088, 15384, 17610, 17840, 19230, 23480, 25640, 26760, 28176, 30768, 35220, 38460, 46960, 51280, 53520, 70440, 76920, 130901, 140880, 142943, 153840, 261802, 285886, 376267, 392703, 428829, 523604, 571772, 654505, 714715, 752534, 785406, 857658, 1047208, 1128801, 1143544, 1309010, 1429430, 1505068, 1570812, 1715316, 1881335, 1963515, 2094416, 2144145, 2257602, 2287088, 2618020, 2858860, 3010136, 3141624, 3430632, 3762670, 3927030, 4288290, 4515204, 5236040, 5644005, 5717720, 6020272, 6283248, 6861264, 7525340, 7854060, 8576580, 9030408, 10472080, 11288010, 11435440, 15050680, 15708120, 17153160, 18060816, 22576020, 30101360, 31416240, 34306320, 45152040, 83907541, 90304080, 167815082, 251722623, 335630164, 419537705, 503445246, 671260328, 839075410, 1006890492, 1258613115, 1342520656, 1678150820, 2013780984, 2517226230, 3356301640, 4027561968, 5034452460, 6712603280, 10068904920, 20137809840]

約数ペア:

[(1, 20137809840), (2, 10068904920), (3, 6712603280), (4, 5034452460), (5, 4027561968), (6, 3356301640), (8, 2517226230), (10, 2013780984), (12, 1678150820), (15, 1342520656), (16, 1258613115), (20, 1006890492), (24, 839075410), (30, 671260328), (40, 503445246), (48, 419537705), (60, 335630164), (80, 251722623), (120, 167815082), (223, 90304080), (240, 83907541), (446, 45152040), (587, 34306320), (641, 31416240), (669, 30101360), (892, 22576020), (1115, 18060816), (1174, 17153160), (1282, 15708120), (1338, 15050680), (1761, 11435440), (1784, 11288010), (1923, 10472080), (2230, 9030408), (2348, 8576580), (2564, 7854060), (2676, 7525340), (2935, 6861264), (3205, 6283248), (3345, 6020272), (3522, 5717720), (3568, 5644005), (3846, 5236040), (4460, 4515204), (4696, 4288290), (5128, 3927030), (5352, 3762670), (5870, 3430632), (6410, 3141624), (6690, 3010136), (7044, 2858860), (7692, 2618020), (8805, 2287088), (8920, 2257602), (9392, 2144145), (9615, 2094416), (10256, 1963515), (10704, 1881335), (11740, 1715316), (12820, 1570812), (13380, 1505068), (14088, 1429430), (15384, 1309010), (17610, 1143544), (17840, 1128801), (19230, 1047208), (23480, 857658), (25640, 785406), (26760, 752534), (28176, 714715), (30768, 654505), (35220, 571772), (38460, 523604), (46960, 428829), (51280, 392703), (53520, 376267), (70440, 285886), (76920, 261802), (130901, 153840), (140880, 142943)]