20459040

素因数分解:

$2^5\times 3^1\times 5^1\times 7^1\times {\mathrm{6089}}^1$

素因数の和:6114

約数の個数: 96

約数和(自身を含む): 73664640

約数和(自身を除く): 53205600

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, 70, 80, 84, 96, 105, 112, 120, 140, 160, 168, 210, 224, 240, 280, 336, 420, 480, 560, 672, 840, 1120, 1680, 3360, 6089, 12178, 18267, 24356, 30445, 36534, 42623, 48712, 60890, 73068, 85246, 91335, 97424, 121780, 127869, 146136, 170492, 182670, 194848, 213115, 243560, 255738, 292272, 340984, 365340, 426230, 487120, 511476, 584544, 639345, 681968, 730680, 852460, 974240, 1022952, 1278690, 1363936, 1461360, 1704920, 2045904, 2557380, 2922720, 3409840, 4091808, 5114760, 6819680, 10229520, 20459040]

約数ペア:

[(1, 20459040), (2, 10229520), (3, 6819680), (4, 5114760), (5, 4091808), (6, 3409840), (7, 2922720), (8, 2557380), (10, 2045904), (12, 1704920), (14, 1461360), (15, 1363936), (16, 1278690), (20, 1022952), (21, 974240), (24, 852460), (28, 730680), (30, 681968), (32, 639345), (35, 584544), (40, 511476), (42, 487120), (48, 426230), (56, 365340), (60, 340984), (70, 292272), (80, 255738), (84, 243560), (96, 213115), (105, 194848), (112, 182670), (120, 170492), (140, 146136), (160, 127869), (168, 121780), (210, 97424), (224, 91335), (240, 85246), (280, 73068), (336, 60890), (420, 48712), (480, 42623), (560, 36534), (672, 30445), (840, 24356), (1120, 18267), (1680, 12178), (3360, 6089)]