19820970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5647}}^1$

素因数の和:5676

約数の個数: 64

約数和(自身を含む): 56931840

約数和(自身を除く): 37110870

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, 5647, 11294, 16941, 28235, 33882, 50823, 56470, 73411, 84705, 101646, 146822, 152469, 169410, 220233, 254115, 304938, 367055, 440466, 508230, 660699, 734110, 762345, 1101165, 1321398, 1524690, 1982097, 2202330, 3303495, 3964194, 6606990, 9910485, 19820970]

約数ペア:

[(1, 19820970), (2, 9910485), (3, 6606990), (5, 3964194), (6, 3303495), (9, 2202330), (10, 1982097), (13, 1524690), (15, 1321398), (18, 1101165), (26, 762345), (27, 734110), (30, 660699), (39, 508230), (45, 440466), (54, 367055), (65, 304938), (78, 254115), (90, 220233), (117, 169410), (130, 152469), (135, 146822), (195, 101646), (234, 84705), (270, 73411), (351, 56470), (390, 50823), (585, 33882), (702, 28235), (1170, 16941), (1755, 11294), (3510, 5647)]