20435520

素因数分解:

$2^6\times 3^1\times 5^1\times 7^1\times {\mathrm{3041}}^1$

素因数の和:3068

約数の個数: 112

約数和(自身を含む): 74176128

約数和(自身を除く): 53740608

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 192, 210, 224, 240, 280, 320, 336, 420, 448, 480, 560, 672, 840, 960, 1120, 1344, 1680, 2240, 3041, 3360, 6082, 6720, 9123, 12164, 15205, 18246, 21287, 24328, 30410, 36492, 42574, 45615, 48656, 60820, 63861, 72984, 85148, 91230, 97312, 106435, 121640, 127722, 145968, 170296, 182460, 194624, 212870, 243280, 255444, 291936, 319305, 340592, 364920, 425740, 486560, 510888, 583872, 638610, 681184, 729840, 851480, 973120, 1021776, 1277220, 1362368, 1459680, 1702960, 2043552, 2554440, 2919360, 3405920, 4087104, 5108880, 6811840, 10217760, 20435520]

約数ペア:

[(1, 20435520), (2, 10217760), (3, 6811840), (4, 5108880), (5, 4087104), (6, 3405920), (7, 2919360), (8, 2554440), (10, 2043552), (12, 1702960), (14, 1459680), (15, 1362368), (16, 1277220), (20, 1021776), (21, 973120), (24, 851480), (28, 729840), (30, 681184), (32, 638610), (35, 583872), (40, 510888), (42, 486560), (48, 425740), (56, 364920), (60, 340592), (64, 319305), (70, 291936), (80, 255444), (84, 243280), (96, 212870), (105, 194624), (112, 182460), (120, 170296), (140, 145968), (160, 127722), (168, 121640), (192, 106435), (210, 97312), (224, 91230), (240, 85148), (280, 72984), (320, 63861), (336, 60820), (420, 48656), (448, 45615), (480, 42574), (560, 36492), (672, 30410), (840, 24328), (960, 21287), (1120, 18246), (1344, 15205), (1680, 12164), (2240, 9123), (3041, 6720), (3360, 6082)]