20932960

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3191}}^1$

素因数の和:3247

約数の個数: 48

約数和(自身を含む): 50676192

約数和(自身を除く): 29743232

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3191, 3280, 6382, 6560, 12764, 15955, 25528, 31910, 51056, 63820, 102112, 127640, 130831, 255280, 261662, 510560, 523324, 654155, 1046648, 1308310, 2093296, 2616620, 4186592, 5233240, 10466480, 20932960]

約数ペア:

[(1, 20932960), (2, 10466480), (4, 5233240), (5, 4186592), (8, 2616620), (10, 2093296), (16, 1308310), (20, 1046648), (32, 654155), (40, 523324), (41, 510560), (80, 261662), (82, 255280), (160, 130831), (164, 127640), (205, 102112), (328, 63820), (410, 51056), (656, 31910), (820, 25528), (1312, 15955), (1640, 12764), (3191, 6560), (3280, 6382)]