20101844420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{229}}^1\times {\mathrm{491}}^1\times {\mathrm{1277}}^1$

素因数の和:2013

約数の個数: 96

約数和(自身を含む): 48591809280

約数和(自身を除く): 28489964860

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 229, 458, 491, 916, 982, 1145, 1277, 1603, 1964, 2290, 2455, 2554, 3206, 3437, 4580, 4910, 5108, 6385, 6412, 6874, 8015, 8939, 9820, 12770, 13748, 16030, 17185, 17878, 25540, 32060, 34370, 35756, 44695, 68740, 89390, 112439, 178780, 224878, 292433, 449756, 562195, 584866, 627007, 787073, 1124390, 1169732, 1254014, 1462165, 1574146, 2047031, 2248780, 2508028, 2924330, 3135035, 3148292, 3935365, 4094062, 4389049, 5848660, 6270070, 7870730, 8188124, 8778098, 10235155, 12540140, 15741460, 17556196, 20470310, 21945245, 40940620, 43890490, 87780980, 143584603, 287169206, 574338412, 717923015, 1005092221, 1435846030, 2010184442, 2871692060, 4020368884, 5025461105, 10050922210, 20101844420]

約数ペア:

[(1, 20101844420), (2, 10050922210), (4, 5025461105), (5, 4020368884), (7, 2871692060), (10, 2010184442), (14, 1435846030), (20, 1005092221), (28, 717923015), (35, 574338412), (70, 287169206), (140, 143584603), (229, 87780980), (458, 43890490), (491, 40940620), (916, 21945245), (982, 20470310), (1145, 17556196), (1277, 15741460), (1603, 12540140), (1964, 10235155), (2290, 8778098), (2455, 8188124), (2554, 7870730), (3206, 6270070), (3437, 5848660), (4580, 4389049), (4910, 4094062), (5108, 3935365), (6385, 3148292), (6412, 3135035), (6874, 2924330), (8015, 2508028), (8939, 2248780), (9820, 2047031), (12770, 1574146), (13748, 1462165), (16030, 1254014), (17185, 1169732), (17878, 1124390), (25540, 787073), (32060, 627007), (34370, 584866), (35756, 562195), (44695, 449756), (68740, 292433), (89390, 224878), (112439, 178780)]