20091731280

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2886743}}^1$

素因数の和:2886788

約数の個数: 80

約数和(自身を含む): 64432126080

約数和(自身を除く): 44340394800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 40, 48, 58, 60, 80, 87, 116, 120, 145, 174, 232, 240, 290, 348, 435, 464, 580, 696, 870, 1160, 1392, 1740, 2320, 3480, 6960, 2886743, 5773486, 8660229, 11546972, 14433715, 17320458, 23093944, 28867430, 34640916, 43301145, 46187888, 57734860, 69281832, 83715547, 86602290, 115469720, 138563664, 167431094, 173204580, 230939440, 251146641, 334862188, 346409160, 418577735, 502293282, 669724376, 692818320, 837155470, 1004586564, 1255733205, 1339448752, 1674310940, 2009173128, 2511466410, 3348621880, 4018346256, 5022932820, 6697243760, 10045865640, 20091731280]

約数ペア:

[(1, 20091731280), (2, 10045865640), (3, 6697243760), (4, 5022932820), (5, 4018346256), (6, 3348621880), (8, 2511466410), (10, 2009173128), (12, 1674310940), (15, 1339448752), (16, 1255733205), (20, 1004586564), (24, 837155470), (29, 692818320), (30, 669724376), (40, 502293282), (48, 418577735), (58, 346409160), (60, 334862188), (80, 251146641), (87, 230939440), (116, 173204580), (120, 167431094), (145, 138563664), (174, 115469720), (232, 86602290), (240, 83715547), (290, 69281832), (348, 57734860), (435, 46187888), (464, 43301145), (580, 34640916), (696, 28867430), (870, 23093944), (1160, 17320458), (1392, 14433715), (1740, 11546972), (2320, 8660229), (3480, 5773486), (6960, 2886743)]