20788808110

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{373}}^1\times {\mathrm{16249}}^1$

素因数の和:16650

約数の個数: 64

約数和(自身を含む): 43758000000

約数和(自身を除く): 22969191890

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 245, 343, 373, 490, 686, 746, 1715, 1865, 2611, 3430, 3730, 5222, 13055, 16249, 18277, 26110, 32498, 36554, 81245, 91385, 113743, 127939, 162490, 182770, 227486, 255878, 568715, 639695, 796201, 1137430, 1279390, 1592402, 3981005, 5573407, 6060877, 7962010, 11146814, 12121754, 27867035, 30304385, 42426139, 55734070, 60608770, 84852278, 212130695, 296982973, 424261390, 593965946, 1484914865, 2078880811, 2969829730, 4157761622, 10394404055, 20788808110]

約数ペア:

[(1, 20788808110), (2, 10394404055), (5, 4157761622), (7, 2969829730), (10, 2078880811), (14, 1484914865), (35, 593965946), (49, 424261390), (70, 296982973), (98, 212130695), (245, 84852278), (343, 60608770), (373, 55734070), (490, 42426139), (686, 30304385), (746, 27867035), (1715, 12121754), (1865, 11146814), (2611, 7962010), (3430, 6060877), (3730, 5573407), (5222, 3981005), (13055, 1592402), (16249, 1279390), (18277, 1137430), (26110, 796201), (32498, 639695), (36554, 568715), (81245, 255878), (91385, 227486), (113743, 182770), (127939, 162490)]