20815664076

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{7621}}^1\times {\mathrm{4463}}^1$

素因数の和:12111

約数の個数: 72

約数和(自身を含む): 55732307904

約数和(自身を除く): 34916643828

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612, 4463, 7621, 8926, 13389, 15242, 17852, 22863, 26778, 30484, 40167, 45726, 53556, 68589, 75871, 80334, 91452, 129557, 137178, 151742, 160668, 227613, 259114, 274356, 303484, 388671, 455226, 518228, 682839, 777342, 910452, 1166013, 1365678, 1554684, 2332026, 2731356, 4664052, 34012523, 68025046, 102037569, 136050092, 204075138, 306112707, 408150276, 578212891, 612225414, 1156425782, 1224450828, 1734638673, 2312851564, 3469277346, 5203916019, 6938554692, 10407832038, 20815664076]

約数ペア:

[(1, 20815664076), (2, 10407832038), (3, 6938554692), (4, 5203916019), (6, 3469277346), (9, 2312851564), (12, 1734638673), (17, 1224450828), (18, 1156425782), (34, 612225414), (36, 578212891), (51, 408150276), (68, 306112707), (102, 204075138), (153, 136050092), (204, 102037569), (306, 68025046), (612, 34012523), (4463, 4664052), (7621, 2731356), (8926, 2332026), (13389, 1554684), (15242, 1365678), (17852, 1166013), (22863, 910452), (26778, 777342), (30484, 682839), (40167, 518228), (45726, 455226), (53556, 388671), (68589, 303484), (75871, 274356), (80334, 259114), (91452, 227613), (129557, 160668), (137178, 151742)]