20198048680

素因数分解:

$2^3\times 5^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{48539}}^1$

素因数の和:48754

約数の個数: 64

約数和(自身を含む): 46342108800

約数和(自身を除く): 26144060120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 101, 103, 202, 206, 404, 412, 505, 515, 808, 824, 1010, 1030, 2020, 2060, 4040, 4120, 10403, 20806, 41612, 48539, 52015, 83224, 97078, 104030, 194156, 208060, 242695, 388312, 416120, 485390, 970780, 1941560, 4902439, 4999517, 9804878, 9999034, 19609756, 19998068, 24512195, 24997585, 39219512, 39996136, 49024390, 49995170, 98048780, 99990340, 196097560, 199980680, 504951217, 1009902434, 2019804868, 2524756085, 4039609736, 5049512170, 10099024340, 20198048680]

約数ペア:

[(1, 20198048680), (2, 10099024340), (4, 5049512170), (5, 4039609736), (8, 2524756085), (10, 2019804868), (20, 1009902434), (40, 504951217), (101, 199980680), (103, 196097560), (202, 99990340), (206, 98048780), (404, 49995170), (412, 49024390), (505, 39996136), (515, 39219512), (808, 24997585), (824, 24512195), (1010, 19998068), (1030, 19609756), (2020, 9999034), (2060, 9804878), (4040, 4999517), (4120, 4902439), (10403, 1941560), (20806, 970780), (41612, 485390), (48539, 416120), (52015, 388312), (83224, 242695), (97078, 208060), (104030, 194156)]