20873248

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{3121}}^1$

素因数の和:3161

約数の個数: 48

約数和(自身を含む): 47204640

約数和(自身を除く): 26331392

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 32, 38, 44, 76, 88, 152, 176, 209, 304, 352, 418, 608, 836, 1672, 3121, 3344, 6242, 6688, 12484, 24968, 34331, 49936, 59299, 68662, 99872, 118598, 137324, 237196, 274648, 474392, 549296, 652289, 948784, 1098592, 1304578, 1897568, 2609156, 5218312, 10436624, 20873248]

約数ペア:

[(1, 20873248), (2, 10436624), (4, 5218312), (8, 2609156), (11, 1897568), (16, 1304578), (19, 1098592), (22, 948784), (32, 652289), (38, 549296), (44, 474392), (76, 274648), (88, 237196), (152, 137324), (176, 118598), (209, 99872), (304, 68662), (352, 59299), (418, 49936), (608, 34331), (836, 24968), (1672, 12484), (3121, 6688), (3344, 6242)]