20534744

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{53}}^1\times {\mathrm{2549}}^1$

素因数の和:2627

約数の個数: 32

約数和(自身を含む): 41310000

約数和(自身を除く): 20775256

約数列:

[1, 2, 4, 8, 19, 38, 53, 76, 106, 152, 212, 424, 1007, 2014, 2549, 4028, 5098, 8056, 10196, 20392, 48431, 96862, 135097, 193724, 270194, 387448, 540388, 1080776, 2566843, 5133686, 10267372, 20534744]

約数ペア:

[(1, 20534744), (2, 10267372), (4, 5133686), (8, 2566843), (19, 1080776), (38, 540388), (53, 387448), (76, 270194), (106, 193724), (152, 135097), (212, 96862), (424, 48431), (1007, 20392), (2014, 10196), (2549, 8056), (4028, 5098)]