20199208424

素因数分解:

$2^3\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{281}}^1\times {\mathrm{5167}}^1$

素因数の和:5538

約数の個数: 64

約数和(自身を含む): 39873807360

約数和(自身を除く): 19674598936

約数列:

[1, 2, 4, 8, 37, 47, 74, 94, 148, 188, 281, 296, 376, 562, 1124, 1739, 2248, 3478, 5167, 6956, 10334, 10397, 13207, 13912, 20668, 20794, 26414, 41336, 41588, 52828, 83176, 105656, 191179, 242849, 382358, 485698, 488659, 764716, 971396, 977318, 1451927, 1529432, 1942792, 1954636, 2903854, 3909272, 5807708, 8985413, 11615416, 17970826, 35941652, 53721299, 68240569, 71883304, 107442598, 136481138, 214885196, 272962276, 429770392, 545924552, 2524901053, 5049802106, 10099604212, 20199208424]

約数ペア:

[(1, 20199208424), (2, 10099604212), (4, 5049802106), (8, 2524901053), (37, 545924552), (47, 429770392), (74, 272962276), (94, 214885196), (148, 136481138), (188, 107442598), (281, 71883304), (296, 68240569), (376, 53721299), (562, 35941652), (1124, 17970826), (1739, 11615416), (2248, 8985413), (3478, 5807708), (5167, 3909272), (6956, 2903854), (10334, 1954636), (10397, 1942792), (13207, 1529432), (13912, 1451927), (20668, 977318), (20794, 971396), (26414, 764716), (41336, 488659), (41588, 485698), (52828, 382358), (83176, 242849), (105656, 191179)]