20919097586

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{45737}}^1$

素因数の和:45986

約数の個数: 32

約数和(自身を含む): 33484606848

約数和(自身を除く): 12565509262

約数列:

[1, 2, 23, 46, 61, 122, 163, 326, 1403, 2806, 3749, 7498, 9943, 19886, 45737, 91474, 228689, 457378, 1051951, 2103902, 2789957, 5579914, 7455131, 14910262, 64169011, 128338022, 171468013, 342936026, 454762991, 909525982, 10459548793, 20919097586]

約数ペア:

[(1, 20919097586), (2, 10459548793), (23, 909525982), (46, 454762991), (61, 342936026), (122, 171468013), (163, 128338022), (326, 64169011), (1403, 14910262), (2806, 7455131), (3749, 5579914), (7498, 2789957), (9943, 2103902), (19886, 1051951), (45737, 457378), (91474, 228689)]