20083120

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{14767}}^1$

素因数の和:14797

約数の個数: 40

約数和(自身を含む): 49443264

約数和(自身を除く): 29360144

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 14767, 29534, 59068, 73835, 118136, 147670, 236272, 251039, 295340, 502078, 590680, 1004156, 1181360, 1255195, 2008312, 2510390, 4016624, 5020780, 10041560, 20083120]

約数ペア:

[(1, 20083120), (2, 10041560), (4, 5020780), (5, 4016624), (8, 2510390), (10, 2008312), (16, 1255195), (17, 1181360), (20, 1004156), (34, 590680), (40, 502078), (68, 295340), (80, 251039), (85, 236272), (136, 147670), (170, 118136), (272, 73835), (340, 59068), (680, 29534), (1360, 14767)]