20621160

素因数分解:

$2^3\times 3^2\times 5^1\times 7^3\times {\mathrm{167}}^1$

素因数の和:205

約数の個数: 192

約数和(自身を含む): 78624000

約数和(自身を除く): 58002840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 60, 63, 70, 72, 84, 90, 98, 105, 120, 126, 140, 147, 167, 168, 180, 196, 210, 245, 252, 280, 294, 315, 334, 343, 360, 392, 420, 441, 490, 501, 504, 588, 630, 668, 686, 735, 835, 840, 882, 980, 1002, 1029, 1169, 1176, 1260, 1336, 1372, 1470, 1503, 1670, 1715, 1764, 1960, 2004, 2058, 2205, 2338, 2505, 2520, 2744, 2940, 3006, 3087, 3340, 3430, 3507, 3528, 4008, 4116, 4410, 4676, 5010, 5145, 5845, 5880, 6012, 6174, 6680, 6860, 7014, 7515, 8183, 8232, 8820, 9352, 10020, 10290, 10521, 11690, 12024, 12348, 13720, 14028, 15030, 15435, 16366, 17535, 17640, 20040, 20580, 21042, 23380, 24549, 24696, 28056, 30060, 30870, 32732, 35070, 40915, 41160, 42084, 46760, 49098, 52605, 57281, 60120, 61740, 65464, 70140, 73647, 81830, 84168, 98196, 105210, 114562, 122745, 123480, 140280, 147294, 163660, 171843, 196392, 210420, 229124, 245490, 286405, 294588, 327320, 343686, 368235, 420840, 458248, 490980, 515529, 572810, 589176, 687372, 736470, 859215, 981960, 1031058, 1145620, 1374744, 1472940, 1718430, 2062116, 2291240, 2577645, 2945880, 3436860, 4124232, 5155290, 6873720, 10310580, 20621160]

約数ペア:

[(1, 20621160), (2, 10310580), (3, 6873720), (4, 5155290), (5, 4124232), (6, 3436860), (7, 2945880), (8, 2577645), (9, 2291240), (10, 2062116), (12, 1718430), (14, 1472940), (15, 1374744), (18, 1145620), (20, 1031058), (21, 981960), (24, 859215), (28, 736470), (30, 687372), (35, 589176), (36, 572810), (40, 515529), (42, 490980), (45, 458248), (49, 420840), (56, 368235), (60, 343686), (63, 327320), (70, 294588), (72, 286405), (84, 245490), (90, 229124), (98, 210420), (105, 196392), (120, 171843), (126, 163660), (140, 147294), (147, 140280), (167, 123480), (168, 122745), (180, 114562), (196, 105210), (210, 98196), (245, 84168), (252, 81830), (280, 73647), (294, 70140), (315, 65464), (334, 61740), (343, 60120), (360, 57281), (392, 52605), (420, 49098), (441, 46760), (490, 42084), (501, 41160), (504, 40915), (588, 35070), (630, 32732), (668, 30870), (686, 30060), (735, 28056), (835, 24696), (840, 24549), (882, 23380), (980, 21042), (1002, 20580), (1029, 20040), (1169, 17640), (1176, 17535), (1260, 16366), (1336, 15435), (1372, 15030), (1470, 14028), (1503, 13720), (1670, 12348), (1715, 12024), (1764, 11690), (1960, 10521), (2004, 10290), (2058, 10020), (2205, 9352), (2338, 8820), (2505, 8232), (2520, 8183), (2744, 7515), (2940, 7014), (3006, 6860), (3087, 6680), (3340, 6174), (3430, 6012), (3507, 5880), (3528, 5845), (4008, 5145), (4116, 5010), (4410, 4676)]