20199750

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{1171}}^1$

素因数の和:1214

約数の個数: 64

約数和(自身を含む): 52655616

約数和(自身を除く): 32455866

約数列:

[1, 2, 3, 5, 6, 10, 15, 23, 25, 30, 46, 50, 69, 75, 115, 125, 138, 150, 230, 250, 345, 375, 575, 690, 750, 1150, 1171, 1725, 2342, 2875, 3450, 3513, 5750, 5855, 7026, 8625, 11710, 17250, 17565, 26933, 29275, 35130, 53866, 58550, 80799, 87825, 134665, 146375, 161598, 175650, 269330, 292750, 403995, 439125, 673325, 807990, 878250, 1346650, 2019975, 3366625, 4039950, 6733250, 10099875, 20199750]

約数ペア:

[(1, 20199750), (2, 10099875), (3, 6733250), (5, 4039950), (6, 3366625), (10, 2019975), (15, 1346650), (23, 878250), (25, 807990), (30, 673325), (46, 439125), (50, 403995), (69, 292750), (75, 269330), (115, 175650), (125, 161598), (138, 146375), (150, 134665), (230, 87825), (250, 80799), (345, 58550), (375, 53866), (575, 35130), (690, 29275), (750, 26933), (1150, 17565), (1171, 17250), (1725, 11710), (2342, 8625), (2875, 7026), (3450, 5855), (3513, 5750)]