20187193740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{114713}}^1$

素因数の和:115151

約数の個数: 96

約数和(自身を含む): 64753758720

約数和(自身を除く): 44566564980

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 419, 420, 838, 1257, 1676, 2095, 2514, 2933, 4190, 5028, 5866, 6285, 8380, 8799, 11732, 12570, 14665, 17598, 25140, 29330, 35196, 43995, 58660, 87990, 114713, 175980, 229426, 344139, 458852, 573565, 688278, 802991, 1147130, 1376556, 1605982, 1720695, 2294260, 2408973, 3211964, 3441390, 4014955, 4817946, 6882780, 8029910, 9635892, 12044865, 16059820, 24089730, 48064747, 48179460, 96129494, 144194241, 192258988, 240323735, 288388482, 336453229, 480647470, 576776964, 672906458, 720971205, 961294940, 1009359687, 1345812916, 1441942410, 1682266145, 2018719374, 2883884820, 3364532290, 4037438748, 5046798435, 6729064580, 10093596870, 20187193740]

約数ペア:

[(1, 20187193740), (2, 10093596870), (3, 6729064580), (4, 5046798435), (5, 4037438748), (6, 3364532290), (7, 2883884820), (10, 2018719374), (12, 1682266145), (14, 1441942410), (15, 1345812916), (20, 1009359687), (21, 961294940), (28, 720971205), (30, 672906458), (35, 576776964), (42, 480647470), (60, 336453229), (70, 288388482), (84, 240323735), (105, 192258988), (140, 144194241), (210, 96129494), (419, 48179460), (420, 48064747), (838, 24089730), (1257, 16059820), (1676, 12044865), (2095, 9635892), (2514, 8029910), (2933, 6882780), (4190, 4817946), (5028, 4014955), (5866, 3441390), (6285, 3211964), (8380, 2408973), (8799, 2294260), (11732, 1720695), (12570, 1605982), (14665, 1376556), (17598, 1147130), (25140, 802991), (29330, 688278), (35196, 573565), (43995, 458852), (58660, 344139), (87990, 229426), (114713, 175980)]