20495190

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{8231}}^1$

素因数の和:8324

約数の個数: 32

約数和(自身を含む): 49787136

約数和(自身を除く): 29291946

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 83, 166, 249, 415, 498, 830, 1245, 2490, 8231, 16462, 24693, 41155, 49386, 82310, 123465, 246930, 683173, 1366346, 2049519, 3415865, 4099038, 6831730, 10247595, 20495190]

約数ペア:

[(1, 20495190), (2, 10247595), (3, 6831730), (5, 4099038), (6, 3415865), (10, 2049519), (15, 1366346), (30, 683173), (83, 246930), (166, 123465), (249, 82310), (415, 49386), (498, 41155), (830, 24693), (1245, 16462), (2490, 8231)]