20178859492

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1\times {\mathrm{59863}}^1$

素因数の和:60088

約数の個数: 48

約数和(自身を含む): 39584950272

約数和(自身を除く): 19406090780

約数列:

[1, 2, 4, 11, 22, 44, 47, 94, 163, 188, 326, 517, 652, 1034, 1793, 2068, 3586, 7172, 7661, 15322, 30644, 59863, 84271, 119726, 168542, 239452, 337084, 658493, 1316986, 2633972, 2813561, 5627122, 9757669, 11254244, 19515338, 30949171, 39030676, 61898342, 107334359, 123796684, 214668718, 429337436, 458610443, 917220886, 1834441772, 5044714873, 10089429746, 20178859492]

約数ペア:

[(1, 20178859492), (2, 10089429746), (4, 5044714873), (11, 1834441772), (22, 917220886), (44, 458610443), (47, 429337436), (94, 214668718), (163, 123796684), (188, 107334359), (326, 61898342), (517, 39030676), (652, 30949171), (1034, 19515338), (1793, 11254244), (2068, 9757669), (3586, 5627122), (7172, 2813561), (7661, 2633972), (15322, 1316986), (30644, 658493), (59863, 337084), (84271, 239452), (119726, 168542)]