20653920

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{683}}^1$

素因数の和:714

約数の個数: 192

約数和(自身を含む): 82736640

約数和(自身を除く): 62082720

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 683, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1366, 1440, 1512, 1680, 1890, 2016, 2049, 2160, 2520, 2732, 3024, 3360, 3415, 3780, 4098, 4320, 4781, 5040, 5464, 6048, 6147, 6830, 7560, 8196, 9562, 10080, 10245, 10928, 12294, 13660, 14343, 15120, 16392, 18441, 19124, 20490, 21856, 23905, 24588, 27320, 28686, 30240, 30735, 32784, 36882, 38248, 40980, 43029, 47810, 49176, 54640, 57372, 61470, 65568, 71715, 73764, 76496, 81960, 86058, 92205, 95620, 98352, 109280, 114744, 122940, 129087, 143430, 147528, 152992, 163920, 172116, 184410, 191240, 196704, 215145, 229488, 245880, 258174, 286860, 295056, 327840, 344232, 368820, 382480, 430290, 458976, 491760, 516348, 573720, 590112, 645435, 688464, 737640, 764960, 860580, 983520, 1032696, 1147440, 1290870, 1376928, 1475280, 1721160, 2065392, 2294880, 2581740, 2950560, 3442320, 4130784, 5163480, 6884640, 10326960, 20653920]

約数ペア:

[(1, 20653920), (2, 10326960), (3, 6884640), (4, 5163480), (5, 4130784), (6, 3442320), (7, 2950560), (8, 2581740), (9, 2294880), (10, 2065392), (12, 1721160), (14, 1475280), (15, 1376928), (16, 1290870), (18, 1147440), (20, 1032696), (21, 983520), (24, 860580), (27, 764960), (28, 737640), (30, 688464), (32, 645435), (35, 590112), (36, 573720), (40, 516348), (42, 491760), (45, 458976), (48, 430290), (54, 382480), (56, 368820), (60, 344232), (63, 327840), (70, 295056), (72, 286860), (80, 258174), (84, 245880), (90, 229488), (96, 215145), (105, 196704), (108, 191240), (112, 184410), (120, 172116), (126, 163920), (135, 152992), (140, 147528), (144, 143430), (160, 129087), (168, 122940), (180, 114744), (189, 109280), (210, 98352), (216, 95620), (224, 92205), (240, 86058), (252, 81960), (270, 76496), (280, 73764), (288, 71715), (315, 65568), (336, 61470), (360, 57372), (378, 54640), (420, 49176), (432, 47810), (480, 43029), (504, 40980), (540, 38248), (560, 36882), (630, 32784), (672, 30735), (683, 30240), (720, 28686), (756, 27320), (840, 24588), (864, 23905), (945, 21856), (1008, 20490), (1080, 19124), (1120, 18441), (1260, 16392), (1366, 15120), (1440, 14343), (1512, 13660), (1680, 12294), (1890, 10928), (2016, 10245), (2049, 10080), (2160, 9562), (2520, 8196), (2732, 7560), (3024, 6830), (3360, 6147), (3415, 6048), (3780, 5464), (4098, 5040), (4320, 4781)]