20123572280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{9187}}^1\times {\mathrm{7823}}^1$

素因数の和:17028

約数の個数: 64

約数和(自身を含む): 51758576640

約数和(自身を除く): 31635004360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 7823, 9187, 15646, 18374, 31292, 36748, 39115, 45935, 54761, 62584, 64309, 73496, 78230, 91870, 109522, 128618, 156460, 183740, 219044, 257236, 273805, 312920, 321545, 367480, 438088, 514472, 547610, 643090, 1095220, 1286180, 2190440, 2572360, 71869901, 143739802, 287479604, 359349505, 503089307, 574959208, 718699010, 1006178614, 1437398020, 2012357228, 2515446535, 2874796040, 4024714456, 5030893070, 10061786140, 20123572280]

約数ペア:

[(1, 20123572280), (2, 10061786140), (4, 5030893070), (5, 4024714456), (7, 2874796040), (8, 2515446535), (10, 2012357228), (14, 1437398020), (20, 1006178614), (28, 718699010), (35, 574959208), (40, 503089307), (56, 359349505), (70, 287479604), (140, 143739802), (280, 71869901), (7823, 2572360), (9187, 2190440), (15646, 1286180), (18374, 1095220), (31292, 643090), (36748, 547610), (39115, 514472), (45935, 438088), (54761, 367480), (62584, 321545), (64309, 312920), (73496, 273805), (78230, 257236), (91870, 219044), (109522, 183740), (128618, 156460)]