20235126520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{80209}}^1$

素因数の和:80297

約数の個数: 128

約数和(自身を含む): 56134166400

約数和(自身を除く): 35899039880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 53, 56, 68, 70, 85, 106, 119, 136, 140, 170, 212, 238, 265, 280, 340, 371, 424, 476, 530, 595, 680, 742, 901, 952, 1060, 1190, 1484, 1802, 1855, 2120, 2380, 2968, 3604, 3710, 4505, 4760, 6307, 7208, 7420, 9010, 12614, 14840, 18020, 25228, 31535, 36040, 50456, 63070, 80209, 126140, 160418, 252280, 320836, 401045, 561463, 641672, 802090, 1122926, 1363553, 1604180, 2245852, 2727106, 2807315, 3208360, 4251077, 4491704, 5454212, 5614630, 6817765, 8502154, 9544871, 10908424, 11229260, 13635530, 17004308, 19089742, 21255385, 22458520, 27271060, 29757539, 34008616, 38179484, 42510770, 47724355, 54542120, 59515078, 72268309, 76358968, 85021540, 95448710, 119030156, 144536618, 148787695, 170043080, 190897420, 238060312, 289073236, 297575390, 361341545, 381794840, 505878163, 578146472, 595150780, 722683090, 1011756326, 1190301560, 1445366180, 2023512652, 2529390815, 2890732360, 4047025304, 5058781630, 10117563260, 20235126520]

約数ペア:

[(1, 20235126520), (2, 10117563260), (4, 5058781630), (5, 4047025304), (7, 2890732360), (8, 2529390815), (10, 2023512652), (14, 1445366180), (17, 1190301560), (20, 1011756326), (28, 722683090), (34, 595150780), (35, 578146472), (40, 505878163), (53, 381794840), (56, 361341545), (68, 297575390), (70, 289073236), (85, 238060312), (106, 190897420), (119, 170043080), (136, 148787695), (140, 144536618), (170, 119030156), (212, 95448710), (238, 85021540), (265, 76358968), (280, 72268309), (340, 59515078), (371, 54542120), (424, 47724355), (476, 42510770), (530, 38179484), (595, 34008616), (680, 29757539), (742, 27271060), (901, 22458520), (952, 21255385), (1060, 19089742), (1190, 17004308), (1484, 13635530), (1802, 11229260), (1855, 10908424), (2120, 9544871), (2380, 8502154), (2968, 6817765), (3604, 5614630), (3710, 5454212), (4505, 4491704), (4760, 4251077), (6307, 3208360), (7208, 2807315), (7420, 2727106), (9010, 2245852), (12614, 1604180), (14840, 1363553), (18020, 1122926), (25228, 802090), (31535, 641672), (36040, 561463), (50456, 401045), (63070, 320836), (80209, 252280), (126140, 160418)]