20822974

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:288

約数の個数: 32

約数和(自身を含む): 34214400

約数和(自身を除く): 13391426

約数列:

[1, 2, 19, 38, 47, 89, 94, 131, 178, 262, 893, 1691, 1786, 2489, 3382, 4183, 4978, 6157, 8366, 11659, 12314, 23318, 79477, 116983, 158954, 221521, 233966, 443042, 547973, 1095946, 10411487, 20822974]

約数ペア:

[(1, 20822974), (2, 10411487), (19, 1095946), (38, 547973), (47, 443042), (89, 233966), (94, 221521), (131, 158954), (178, 116983), (262, 79477), (893, 23318), (1691, 12314), (1786, 11659), (2489, 8366), (3382, 6157), (4183, 4978)]