20798430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{9497}}^1$

素因数の和:9580

約数の個数: 32

約数和(自身を含む): 50605344

約数和(自身を除く): 29806914

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 73, 146, 219, 365, 438, 730, 1095, 2190, 9497, 18994, 28491, 47485, 56982, 94970, 142455, 284910, 693281, 1386562, 2079843, 3466405, 4159686, 6932810, 10399215, 20798430]

約数ペア:

[(1, 20798430), (2, 10399215), (3, 6932810), (5, 4159686), (6, 3466405), (10, 2079843), (15, 1386562), (30, 693281), (73, 284910), (146, 142455), (219, 94970), (365, 56982), (438, 47485), (730, 28491), (1095, 18994), (2190, 9497)]