20664360

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{941}}^1$

素因数の和:1019

約数の個数: 96

約数和(自身を含む): 68332680

約数和(自身を除く): 47668320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 61, 72, 90, 120, 122, 180, 183, 244, 305, 360, 366, 488, 549, 610, 732, 915, 941, 1098, 1220, 1464, 1830, 1882, 2196, 2440, 2745, 2823, 3660, 3764, 4392, 4705, 5490, 5646, 7320, 7528, 8469, 9410, 10980, 11292, 14115, 16938, 18820, 21960, 22584, 28230, 33876, 37640, 42345, 56460, 57401, 67752, 84690, 112920, 114802, 169380, 172203, 229604, 287005, 338760, 344406, 459208, 516609, 574010, 688812, 861015, 1033218, 1148020, 1377624, 1722030, 2066436, 2296040, 2583045, 3444060, 4132872, 5166090, 6888120, 10332180, 20664360]

約数ペア:

[(1, 20664360), (2, 10332180), (3, 6888120), (4, 5166090), (5, 4132872), (6, 3444060), (8, 2583045), (9, 2296040), (10, 2066436), (12, 1722030), (15, 1377624), (18, 1148020), (20, 1033218), (24, 861015), (30, 688812), (36, 574010), (40, 516609), (45, 459208), (60, 344406), (61, 338760), (72, 287005), (90, 229604), (120, 172203), (122, 169380), (180, 114802), (183, 112920), (244, 84690), (305, 67752), (360, 57401), (366, 56460), (488, 42345), (549, 37640), (610, 33876), (732, 28230), (915, 22584), (941, 21960), (1098, 18820), (1220, 16938), (1464, 14115), (1830, 11292), (1882, 10980), (2196, 9410), (2440, 8469), (2745, 7528), (2823, 7320), (3660, 5646), (3764, 5490), (4392, 4705)]