20432490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{52391}}^1$

素因数の和:52414

約数の個数: 32

約数和(自身を含む): 52811136

約数和(自身を除く): 32378646

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 52391, 104782, 157173, 261955, 314346, 523910, 681083, 785865, 1362166, 1571730, 2043249, 3405415, 4086498, 6810830, 10216245, 20432490]

約数ペア:

[(1, 20432490), (2, 10216245), (3, 6810830), (5, 4086498), (6, 3405415), (10, 2043249), (13, 1571730), (15, 1362166), (26, 785865), (30, 681083), (39, 523910), (65, 314346), (78, 261955), (130, 157173), (195, 104782), (390, 52391)]