20792394

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{17}}^2\times {\mathrm{571}}^1$

素因数の和:620

約数の個数: 72

約数和(自身を含む): 54788448

約数和(自身を除く): 33996054

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 34, 42, 51, 63, 102, 119, 126, 153, 238, 289, 306, 357, 571, 578, 714, 867, 1071, 1142, 1713, 1734, 2023, 2142, 2601, 3426, 3997, 4046, 5139, 5202, 6069, 7994, 9707, 10278, 11991, 12138, 18207, 19414, 23982, 29121, 35973, 36414, 58242, 67949, 71946, 87363, 135898, 165019, 174726, 203847, 330038, 407694, 495057, 611541, 990114, 1155133, 1223082, 1485171, 2310266, 2970342, 3465399, 6930798, 10396197, 20792394]

約数ペア:

[(1, 20792394), (2, 10396197), (3, 6930798), (6, 3465399), (7, 2970342), (9, 2310266), (14, 1485171), (17, 1223082), (18, 1155133), (21, 990114), (34, 611541), (42, 495057), (51, 407694), (63, 330038), (102, 203847), (119, 174726), (126, 165019), (153, 135898), (238, 87363), (289, 71946), (306, 67949), (357, 58242), (571, 36414), (578, 35973), (714, 29121), (867, 23982), (1071, 19414), (1142, 18207), (1713, 12138), (1734, 11991), (2023, 10278), (2142, 9707), (2601, 7994), (3426, 6069), (3997, 5202), (4046, 5139)]