20008170

素因数分解:

$2^1\times 3^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{349}}^1$

素因数の和:389

約数の個数: 144

約数和(自身を含む): 65356200

約数和(自身を除く): 45348030

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 30, 35, 39, 42, 45, 49, 63, 65, 70, 78, 90, 91, 98, 105, 117, 126, 130, 147, 182, 195, 210, 234, 245, 273, 294, 315, 349, 390, 441, 455, 490, 546, 585, 630, 637, 698, 735, 819, 882, 910, 1047, 1170, 1274, 1365, 1470, 1638, 1745, 1911, 2094, 2205, 2443, 2730, 3141, 3185, 3490, 3822, 4095, 4410, 4537, 4886, 5235, 5733, 6282, 6370, 7329, 8190, 9074, 9555, 10470, 11466, 12215, 13611, 14658, 15705, 17101, 19110, 21987, 22685, 24430, 27222, 28665, 31410, 31759, 34202, 36645, 40833, 43974, 45370, 51303, 57330, 63518, 68055, 73290, 81666, 85505, 95277, 102606, 109935, 136110, 153909, 158795, 171010, 190554, 204165, 219870, 222313, 256515, 285831, 307818, 317590, 408330, 444626, 476385, 513030, 571662, 666939, 769545, 952770, 1111565, 1333878, 1429155, 1539090, 2000817, 2223130, 2858310, 3334695, 4001634, 6669390, 10004085, 20008170]

約数ペア:

[(1, 20008170), (2, 10004085), (3, 6669390), (5, 4001634), (6, 3334695), (7, 2858310), (9, 2223130), (10, 2000817), (13, 1539090), (14, 1429155), (15, 1333878), (18, 1111565), (21, 952770), (26, 769545), (30, 666939), (35, 571662), (39, 513030), (42, 476385), (45, 444626), (49, 408330), (63, 317590), (65, 307818), (70, 285831), (78, 256515), (90, 222313), (91, 219870), (98, 204165), (105, 190554), (117, 171010), (126, 158795), (130, 153909), (147, 136110), (182, 109935), (195, 102606), (210, 95277), (234, 85505), (245, 81666), (273, 73290), (294, 68055), (315, 63518), (349, 57330), (390, 51303), (441, 45370), (455, 43974), (490, 40833), (546, 36645), (585, 34202), (630, 31759), (637, 31410), (698, 28665), (735, 27222), (819, 24430), (882, 22685), (910, 21987), (1047, 19110), (1170, 17101), (1274, 15705), (1365, 14658), (1470, 13611), (1638, 12215), (1745, 11466), (1911, 10470), (2094, 9555), (2205, 9074), (2443, 8190), (2730, 7329), (3141, 6370), (3185, 6282), (3490, 5733), (3822, 5235), (4095, 4886), (4410, 4537)]