20342764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{233}}^1$

素因数の和:346

約数の個数: 48

約数和(自身を含む): 40727232

約数和(自身を除く): 20384468

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 73, 92, 146, 233, 292, 299, 466, 598, 932, 949, 1196, 1679, 1898, 3029, 3358, 3796, 5359, 6058, 6716, 10718, 12116, 17009, 21436, 21827, 34018, 43654, 68036, 69667, 87308, 139334, 221117, 278668, 391207, 442234, 782414, 884468, 1564828, 5085691, 10171382, 20342764]

約数ペア:

[(1, 20342764), (2, 10171382), (4, 5085691), (13, 1564828), (23, 884468), (26, 782414), (46, 442234), (52, 391207), (73, 278668), (92, 221117), (146, 139334), (233, 87308), (292, 69667), (299, 68036), (466, 43654), (598, 34018), (932, 21827), (949, 21436), (1196, 17009), (1679, 12116), (1898, 10718), (3029, 6716), (3358, 6058), (3796, 5359)]