20570572008

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{23}}^1\times {\mathrm{253507}}^1$

素因数の和:253556

約数の個数: 144

約数和(自身を含む): 67625794080

約数和(自身を除く): 47055222072

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 23, 24, 28, 36, 42, 46, 49, 56, 63, 69, 72, 84, 92, 98, 126, 138, 147, 161, 168, 184, 196, 207, 252, 276, 294, 322, 392, 414, 441, 483, 504, 552, 588, 644, 828, 882, 966, 1127, 1176, 1288, 1449, 1656, 1764, 1932, 2254, 2898, 3381, 3528, 3864, 4508, 5796, 6762, 9016, 10143, 11592, 13524, 20286, 27048, 40572, 81144, 253507, 507014, 760521, 1014028, 1521042, 1774549, 2028056, 2281563, 3042084, 3549098, 4563126, 5323647, 5830661, 6084168, 7098196, 9126252, 10647294, 11661322, 12421843, 14196392, 15970941, 17491983, 18252504, 21294588, 23322644, 24843686, 31941882, 34983966, 37265529, 40814627, 42589176, 46645288, 49687372, 52475949, 63883764, 69967932, 74531058, 81629254, 99374744, 104951898, 111796587, 122443881, 127767528, 139935864, 149062116, 163258508, 209903796, 223593174, 244887762, 285702389, 298124232, 326517016, 367331643, 419807592, 447186348, 489775524, 571404778, 734663286, 857107167, 894372696, 979551048, 1142809556, 1469326572, 1714214334, 2285619112, 2571321501, 2938653144, 3428428668, 5142643002, 6856857336, 10285286004, 20570572008]

約数ペア:

[(1, 20570572008), (2, 10285286004), (3, 6856857336), (4, 5142643002), (6, 3428428668), (7, 2938653144), (8, 2571321501), (9, 2285619112), (12, 1714214334), (14, 1469326572), (18, 1142809556), (21, 979551048), (23, 894372696), (24, 857107167), (28, 734663286), (36, 571404778), (42, 489775524), (46, 447186348), (49, 419807592), (56, 367331643), (63, 326517016), (69, 298124232), (72, 285702389), (84, 244887762), (92, 223593174), (98, 209903796), (126, 163258508), (138, 149062116), (147, 139935864), (161, 127767528), (168, 122443881), (184, 111796587), (196, 104951898), (207, 99374744), (252, 81629254), (276, 74531058), (294, 69967932), (322, 63883764), (392, 52475949), (414, 49687372), (441, 46645288), (483, 42589176), (504, 40814627), (552, 37265529), (588, 34983966), (644, 31941882), (828, 24843686), (882, 23322644), (966, 21294588), (1127, 18252504), (1176, 17491983), (1288, 15970941), (1449, 14196392), (1656, 12421843), (1764, 11661322), (1932, 10647294), (2254, 9126252), (2898, 7098196), (3381, 6084168), (3528, 5830661), (3864, 5323647), (4508, 4563126), (5796, 3549098), (6762, 3042084), (9016, 2281563), (10143, 2028056), (11592, 1774549), (13524, 1521042), (20286, 1014028), (27048, 760521), (40572, 507014), (81144, 253507)]