20789730

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5923}}^1$

素因数の和:5952

約数の個数: 64

約数和(自身を含む): 59713920

約数和(自身を除く): 38924190

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 27, 30, 39, 45, 54, 65, 78, 90, 117, 130, 135, 195, 234, 270, 351, 390, 585, 702, 1170, 1755, 3510, 5923, 11846, 17769, 29615, 35538, 53307, 59230, 76999, 88845, 106614, 153998, 159921, 177690, 230997, 266535, 319842, 384995, 461994, 533070, 692991, 769990, 799605, 1154985, 1385982, 1599210, 2078973, 2309970, 3464955, 4157946, 6929910, 10394865, 20789730]

約数ペア:

[(1, 20789730), (2, 10394865), (3, 6929910), (5, 4157946), (6, 3464955), (9, 2309970), (10, 2078973), (13, 1599210), (15, 1385982), (18, 1154985), (26, 799605), (27, 769990), (30, 692991), (39, 533070), (45, 461994), (54, 384995), (65, 319842), (78, 266535), (90, 230997), (117, 177690), (130, 159921), (135, 153998), (195, 106614), (234, 88845), (270, 76999), (351, 59230), (390, 53307), (585, 35538), (702, 29615), (1170, 17769), (1755, 11846), (3510, 5923)]