20702070

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1$

素因数の和:246

約数の個数: 96

約数和(自身を含む): 57350592

約数和(自身を除く): 36648522

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 30, 45, 46, 69, 73, 90, 115, 137, 138, 146, 207, 219, 230, 274, 345, 365, 411, 414, 438, 657, 685, 690, 730, 822, 1035, 1095, 1233, 1314, 1370, 1679, 2055, 2070, 2190, 2466, 3151, 3285, 3358, 4110, 5037, 6165, 6302, 6570, 8395, 9453, 10001, 10074, 12330, 15111, 15755, 16790, 18906, 20002, 25185, 28359, 30003, 30222, 31510, 47265, 50005, 50370, 56718, 60006, 75555, 90009, 94530, 100010, 141795, 150015, 151110, 180018, 230023, 283590, 300030, 450045, 460046, 690069, 900090, 1150115, 1380138, 2070207, 2300230, 3450345, 4140414, 6900690, 10351035, 20702070]

約数ペア:

[(1, 20702070), (2, 10351035), (3, 6900690), (5, 4140414), (6, 3450345), (9, 2300230), (10, 2070207), (15, 1380138), (18, 1150115), (23, 900090), (30, 690069), (45, 460046), (46, 450045), (69, 300030), (73, 283590), (90, 230023), (115, 180018), (137, 151110), (138, 150015), (146, 141795), (207, 100010), (219, 94530), (230, 90009), (274, 75555), (345, 60006), (365, 56718), (411, 50370), (414, 50005), (438, 47265), (657, 31510), (685, 30222), (690, 30003), (730, 28359), (822, 25185), (1035, 20002), (1095, 18906), (1233, 16790), (1314, 15755), (1370, 15111), (1679, 12330), (2055, 10074), (2070, 10001), (2190, 9453), (2466, 8395), (3151, 6570), (3285, 6302), (3358, 6165), (4110, 5037)]