20219989240

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{2418659}}^1$

素因数の和:2418700

約数の個数: 64

約数和(自身を含む): 52243056000

約数和(自身を除く): 32023066760

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 8360, 2418659, 4837318, 9674636, 12093295, 19349272, 24186590, 26605249, 45954521, 48373180, 53210498, 91909042, 96746360, 106420996, 133026245, 183818084, 212841992, 229772605, 266052490, 367636168, 459545210, 505499731, 532104980, 919090420, 1010999462, 1064209960, 1838180840, 2021998924, 2527498655, 4043997848, 5054997310, 10109994620, 20219989240]

約数ペア:

[(1, 20219989240), (2, 10109994620), (4, 5054997310), (5, 4043997848), (8, 2527498655), (10, 2021998924), (11, 1838180840), (19, 1064209960), (20, 1010999462), (22, 919090420), (38, 532104980), (40, 505499731), (44, 459545210), (55, 367636168), (76, 266052490), (88, 229772605), (95, 212841992), (110, 183818084), (152, 133026245), (190, 106420996), (209, 96746360), (220, 91909042), (380, 53210498), (418, 48373180), (440, 45954521), (760, 26605249), (836, 24186590), (1045, 19349272), (1672, 12093295), (2090, 9674636), (4180, 4837318), (8360, 2418659)]