20898537228

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{3203}}^1\times {\mathrm{9539}}^1$

素因数の和:12771

約数の個数: 72

約数和(自身を含む): 55630411200

約数和(自身を除く): 34731873972

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 3203, 6406, 9539, 9609, 12812, 19078, 19218, 28617, 28827, 38156, 38436, 57234, 57654, 60857, 85851, 114468, 115308, 121714, 171702, 181241, 182571, 243428, 343404, 362482, 365142, 543723, 547713, 724964, 730284, 1087446, 1095426, 1631169, 2174892, 2190852, 3262338, 6524676, 30553417, 61106834, 91660251, 122213668, 183320502, 274980753, 366641004, 549961506, 580514923, 1099923012, 1161029846, 1741544769, 2322059692, 3483089538, 5224634307, 6966179076, 10449268614, 20898537228]

約数ペア:

[(1, 20898537228), (2, 10449268614), (3, 6966179076), (4, 5224634307), (6, 3483089538), (9, 2322059692), (12, 1741544769), (18, 1161029846), (19, 1099923012), (36, 580514923), (38, 549961506), (57, 366641004), (76, 274980753), (114, 183320502), (171, 122213668), (228, 91660251), (342, 61106834), (684, 30553417), (3203, 6524676), (6406, 3262338), (9539, 2190852), (9609, 2174892), (12812, 1631169), (19078, 1095426), (19218, 1087446), (28617, 730284), (28827, 724964), (38156, 547713), (38436, 543723), (57234, 365142), (57654, 362482), (60857, 343404), (85851, 243428), (114468, 182571), (115308, 181241), (121714, 171702)]