20444944

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{7561}}^1$

素因数の和:7595

約数の個数: 30

約数和(自身を含む): 42899226

約数和(自身を除く): 22454282

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 7561, 15122, 30244, 60488, 98293, 120976, 196586, 393172, 786344, 1277809, 1572688, 2555618, 5111236, 10222472, 20444944]

約数ペア:

[(1, 20444944), (2, 10222472), (4, 5111236), (8, 2555618), (13, 1572688), (16, 1277809), (26, 786344), (52, 393172), (104, 196586), (169, 120976), (208, 98293), (338, 60488), (676, 30244), (1352, 15122), (2704, 7561)]