16930420

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5009}}^1$

素因数の和:5044

約数の個数: 36

約数和(自身を含む): 38506860

約数和(自身を除く): 21576440

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 5009, 10018, 20036, 25045, 50090, 65117, 100180, 130234, 260468, 325585, 651170, 846521, 1302340, 1693042, 3386084, 4232605, 8465210, 16930420]

約数ペア:

[(1, 16930420), (2, 8465210), (4, 4232605), (5, 3386084), (10, 1693042), (13, 1302340), (20, 846521), (26, 651170), (52, 325585), (65, 260468), (130, 130234), (169, 100180), (260, 65117), (338, 50090), (676, 25045), (845, 20036), (1690, 10018), (3380, 5009)]