20266470

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{10723}}^1$

素因数の和:10746

約数の個数: 64

約数和(自身を含む): 61770240

約数和(自身を除く): 41503770

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 63, 70, 90, 105, 126, 135, 189, 210, 270, 315, 378, 630, 945, 1890, 10723, 21446, 32169, 53615, 64338, 75061, 96507, 107230, 150122, 160845, 193014, 225183, 289521, 321690, 375305, 450366, 482535, 579042, 675549, 750610, 965070, 1125915, 1351098, 1447605, 2026647, 2251830, 2895210, 3377745, 4053294, 6755490, 10133235, 20266470]

約数ペア:

[(1, 20266470), (2, 10133235), (3, 6755490), (5, 4053294), (6, 3377745), (7, 2895210), (9, 2251830), (10, 2026647), (14, 1447605), (15, 1351098), (18, 1125915), (21, 965070), (27, 750610), (30, 675549), (35, 579042), (42, 482535), (45, 450366), (54, 375305), (63, 321690), (70, 289521), (90, 225183), (105, 193014), (126, 160845), (135, 150122), (189, 107230), (210, 96507), (270, 75061), (315, 64338), (378, 53615), (630, 32169), (945, 21446), (1890, 10723)]