20081241832

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1\times {\mathrm{1303}}^1$

素因数の和:2054

約数の個数: 64

約数和(自身を含む): 39162562560

約数和(自身を除く): 19081320728

約数列:

[1, 2, 4, 8, 43, 71, 86, 142, 172, 284, 344, 568, 631, 1262, 1303, 2524, 2606, 3053, 5048, 5212, 6106, 10424, 12212, 24424, 27133, 44801, 54266, 56029, 89602, 92513, 108532, 112058, 179204, 185026, 217064, 224116, 358408, 370052, 448232, 740104, 822193, 1644386, 1926443, 3288772, 3852886, 3978059, 6577544, 7705772, 7956118, 15411544, 15912236, 31824472, 35354299, 58375703, 70708598, 116751406, 141417196, 233502812, 282834392, 467005624, 2510155229, 5020310458, 10040620916, 20081241832]

約数ペア:

[(1, 20081241832), (2, 10040620916), (4, 5020310458), (8, 2510155229), (43, 467005624), (71, 282834392), (86, 233502812), (142, 141417196), (172, 116751406), (284, 70708598), (344, 58375703), (568, 35354299), (631, 31824472), (1262, 15912236), (1303, 15411544), (2524, 7956118), (2606, 7705772), (3053, 6577544), (5048, 3978059), (5212, 3852886), (6106, 3288772), (10424, 1926443), (12212, 1644386), (24424, 822193), (27133, 740104), (44801, 448232), (54266, 370052), (56029, 358408), (89602, 224116), (92513, 217064), (108532, 185026), (112058, 179204)]