20173440100

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{1399}}^1\times {\mathrm{13109}}^1$

素因数の和:14533

約数の個数: 72

約数和(自身を含む): 47793816000

約数和(自身を除く): 27620375900

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 1399, 2798, 5596, 6995, 13109, 13990, 15389, 26218, 27980, 30778, 34975, 52436, 61556, 65545, 69950, 76945, 131090, 139900, 144199, 153890, 262180, 288398, 307780, 327725, 384725, 576796, 655450, 720995, 769450, 1310900, 1441990, 1538900, 2883980, 3604975, 7209950, 14419900, 18339491, 36678982, 73357964, 91697455, 183394910, 201734401, 366789820, 403468802, 458487275, 806937604, 916974550, 1008672005, 1833949100, 2017344010, 4034688020, 5043360025, 10086720050, 20173440100]

約数ペア:

[(1, 20173440100), (2, 10086720050), (4, 5043360025), (5, 4034688020), (10, 2017344010), (11, 1833949100), (20, 1008672005), (22, 916974550), (25, 806937604), (44, 458487275), (50, 403468802), (55, 366789820), (100, 201734401), (110, 183394910), (220, 91697455), (275, 73357964), (550, 36678982), (1100, 18339491), (1399, 14419900), (2798, 7209950), (5596, 3604975), (6995, 2883980), (13109, 1538900), (13990, 1441990), (15389, 1310900), (26218, 769450), (27980, 720995), (30778, 655450), (34975, 576796), (52436, 384725), (61556, 327725), (65545, 307780), (69950, 288398), (76945, 262180), (131090, 153890), (139900, 144199)]