2013180020

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^1\times {\mathrm{541}}^1\times {\mathrm{4327}}^1$

素因数の和:4920

約数の個数: 48

約数和(自身を含む): 4334994048

約数和(自身を除く): 2321814028

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 541, 860, 1082, 2164, 2705, 4327, 5410, 8654, 10820, 17308, 21635, 23263, 43270, 46526, 86540, 93052, 116315, 186061, 232630, 372122, 465260, 744244, 930305, 1860610, 2340907, 3721220, 4681814, 9363628, 11704535, 23409070, 46818140, 100659001, 201318002, 402636004, 503295005, 1006590010, 2013180020]

約数ペア:

[(1, 2013180020), (2, 1006590010), (4, 503295005), (5, 402636004), (10, 201318002), (20, 100659001), (43, 46818140), (86, 23409070), (172, 11704535), (215, 9363628), (430, 4681814), (541, 3721220), (860, 2340907), (1082, 1860610), (2164, 930305), (2705, 744244), (4327, 465260), (5410, 372122), (8654, 232630), (10820, 186061), (17308, 116315), (21635, 93052), (23263, 86540), (43270, 46526)]