20199695120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1350247}}^1$

素因数の和:1350288

約数の個数: 80

約数和(自身を含む): 54247563648

約数和(自身を除く): 34047868528

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 34, 40, 44, 55, 68, 80, 85, 88, 110, 136, 170, 176, 187, 220, 272, 340, 374, 440, 680, 748, 880, 935, 1360, 1496, 1870, 2992, 3740, 7480, 14960, 1350247, 2700494, 5400988, 6751235, 10801976, 13502470, 14852717, 21603952, 22954199, 27004940, 29705434, 45908398, 54009880, 59410868, 74263585, 91816796, 108019760, 114770995, 118821736, 148527170, 183633592, 229541990, 237643472, 252496189, 297054340, 367267184, 459083980, 504992378, 594108680, 918167960, 1009984756, 1188217360, 1262480945, 1836335920, 2019969512, 2524961890, 4039939024, 5049923780, 10099847560, 20199695120]

約数ペア:

[(1, 20199695120), (2, 10099847560), (4, 5049923780), (5, 4039939024), (8, 2524961890), (10, 2019969512), (11, 1836335920), (16, 1262480945), (17, 1188217360), (20, 1009984756), (22, 918167960), (34, 594108680), (40, 504992378), (44, 459083980), (55, 367267184), (68, 297054340), (80, 252496189), (85, 237643472), (88, 229541990), (110, 183633592), (136, 148527170), (170, 118821736), (176, 114770995), (187, 108019760), (220, 91816796), (272, 74263585), (340, 59410868), (374, 54009880), (440, 45908398), (680, 29705434), (748, 27004940), (880, 22954199), (935, 21603952), (1360, 14852717), (1496, 13502470), (1870, 10801976), (2992, 6751235), (3740, 5400988), (7480, 2700494), (14960, 1350247)]