20342730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{401}}^1$

素因数の和:519

約数の個数: 64

約数和(自身を含む): 52099200

約数和(自身を除く): 31756470

約数列:

[1, 2, 3, 5, 6, 10, 15, 19, 30, 38, 57, 89, 95, 114, 178, 190, 267, 285, 401, 445, 534, 570, 802, 890, 1203, 1335, 1691, 2005, 2406, 2670, 3382, 4010, 5073, 6015, 7619, 8455, 10146, 12030, 15238, 16910, 22857, 25365, 35689, 38095, 45714, 50730, 71378, 76190, 107067, 114285, 178445, 214134, 228570, 356890, 535335, 678091, 1070670, 1356182, 2034273, 3390455, 4068546, 6780910, 10171365, 20342730]

約数ペア:

[(1, 20342730), (2, 10171365), (3, 6780910), (5, 4068546), (6, 3390455), (10, 2034273), (15, 1356182), (19, 1070670), (30, 678091), (38, 535335), (57, 356890), (89, 228570), (95, 214134), (114, 178445), (178, 114285), (190, 107067), (267, 76190), (285, 71378), (401, 50730), (445, 45714), (534, 38095), (570, 35689), (802, 25365), (890, 22857), (1203, 16910), (1335, 15238), (1691, 12030), (2005, 10146), (2406, 8455), (2670, 7619), (3382, 6015), (4010, 5073)]