20308965

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1091}}^1$

素因数の和:1189

約数の個数: 32

約数和(自身を含む): 34909056

約数和(自身を除く): 14600091

約数列:

[1, 3, 5, 15, 17, 51, 73, 85, 219, 255, 365, 1091, 1095, 1241, 3273, 3723, 5455, 6205, 16365, 18547, 18615, 55641, 79643, 92735, 238929, 278205, 398215, 1194645, 1353931, 4061793, 6769655, 20308965]

約数ペア:

[(1, 20308965), (3, 6769655), (5, 4061793), (15, 1353931), (17, 1194645), (51, 398215), (73, 278205), (85, 238929), (219, 92735), (255, 79643), (365, 55641), (1091, 18615), (1095, 18547), (1241, 16365), (3273, 6205), (3723, 5455)]