20653290

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{32783}}^1$

素因数の和:32803

約数の個数: 48

約数和(自身を含む): 61371648

約数和(自身を除く): 40718358

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 30, 35, 42, 45, 63, 70, 90, 105, 126, 210, 315, 630, 32783, 65566, 98349, 163915, 196698, 229481, 295047, 327830, 458962, 491745, 590094, 688443, 983490, 1147405, 1376886, 1475235, 2065329, 2294810, 2950470, 3442215, 4130658, 6884430, 10326645, 20653290]

約数ペア:

[(1, 20653290), (2, 10326645), (3, 6884430), (5, 4130658), (6, 3442215), (7, 2950470), (9, 2294810), (10, 2065329), (14, 1475235), (15, 1376886), (18, 1147405), (21, 983490), (30, 688443), (35, 590094), (42, 491745), (45, 458962), (63, 327830), (70, 295047), (90, 229481), (105, 196698), (126, 163915), (210, 98349), (315, 65566), (630, 32783)]