20213306530

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{191}}^1\times {\mathrm{4999}}^1$

素因数の和:5299

約数の個数: 64

約数和(自身を含む): 38361600000

約数和(自身を除く): 18148293470

約数列:

[1, 2, 5, 10, 29, 58, 73, 145, 146, 191, 290, 365, 382, 730, 955, 1910, 2117, 4234, 4999, 5539, 9998, 10585, 11078, 13943, 21170, 24995, 27695, 27886, 49990, 55390, 69715, 139430, 144971, 289942, 364927, 404347, 724855, 729854, 808694, 954809, 1449710, 1824635, 1909618, 2021735, 3649270, 4043470, 4774045, 9548090, 10582883, 21165766, 27689461, 52914415, 55378922, 69701057, 105828830, 138447305, 139402114, 276894610, 348505285, 697010570, 2021330653, 4042661306, 10106653265, 20213306530]

約数ペア:

[(1, 20213306530), (2, 10106653265), (5, 4042661306), (10, 2021330653), (29, 697010570), (58, 348505285), (73, 276894610), (145, 139402114), (146, 138447305), (191, 105828830), (290, 69701057), (365, 55378922), (382, 52914415), (730, 27689461), (955, 21165766), (1910, 10582883), (2117, 9548090), (4234, 4774045), (4999, 4043470), (5539, 3649270), (9998, 2021735), (10585, 1909618), (11078, 1824635), (13943, 1449710), (21170, 954809), (24995, 808694), (27695, 729854), (27886, 724855), (49990, 404347), (55390, 364927), (69715, 289942), (139430, 144971)]