20956620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{593}}^1$

素因数の和:655

約数の個数: 96

約数和(自身を含む): 63866880

約数和(自身を除く): 42910260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 19, 20, 30, 31, 38, 57, 60, 62, 76, 93, 95, 114, 124, 155, 186, 190, 228, 285, 310, 372, 380, 465, 570, 589, 593, 620, 930, 1140, 1178, 1186, 1767, 1779, 1860, 2356, 2372, 2945, 2965, 3534, 3558, 5890, 5930, 7068, 7116, 8835, 8895, 11267, 11780, 11860, 17670, 17790, 18383, 22534, 33801, 35340, 35580, 36766, 45068, 55149, 56335, 67602, 73532, 91915, 110298, 112670, 135204, 169005, 183830, 220596, 225340, 275745, 338010, 349277, 367660, 551490, 676020, 698554, 1047831, 1102980, 1397108, 1746385, 2095662, 3492770, 4191324, 5239155, 6985540, 10478310, 20956620]

約数ペア:

[(1, 20956620), (2, 10478310), (3, 6985540), (4, 5239155), (5, 4191324), (6, 3492770), (10, 2095662), (12, 1746385), (15, 1397108), (19, 1102980), (20, 1047831), (30, 698554), (31, 676020), (38, 551490), (57, 367660), (60, 349277), (62, 338010), (76, 275745), (93, 225340), (95, 220596), (114, 183830), (124, 169005), (155, 135204), (186, 112670), (190, 110298), (228, 91915), (285, 73532), (310, 67602), (372, 56335), (380, 55149), (465, 45068), (570, 36766), (589, 35580), (593, 35340), (620, 33801), (930, 22534), (1140, 18383), (1178, 17790), (1186, 17670), (1767, 11860), (1779, 11780), (1860, 11267), (2356, 8895), (2372, 8835), (2945, 7116), (2965, 7068), (3534, 5930), (3558, 5890)]