2020009960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{839}}^1\times {\mathrm{2617}}^1$

素因数の和:3490

約数の個数: 64

約数和(自身を含む): 4750099200

約数和(自身を除く): 2730089240

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 839, 920, 1678, 2617, 3356, 4195, 5234, 6712, 8390, 10468, 13085, 16780, 19297, 20936, 26170, 33560, 38594, 52340, 60191, 77188, 96485, 104680, 120382, 154376, 192970, 240764, 300955, 385940, 481528, 601910, 771880, 1203820, 2195663, 2407640, 4391326, 8782652, 10978315, 17565304, 21956630, 43913260, 50500249, 87826520, 101000498, 202000996, 252501245, 404001992, 505002490, 1010004980, 2020009960]

約数ペア:

[(1, 2020009960), (2, 1010004980), (4, 505002490), (5, 404001992), (8, 252501245), (10, 202000996), (20, 101000498), (23, 87826520), (40, 50500249), (46, 43913260), (92, 21956630), (115, 17565304), (184, 10978315), (230, 8782652), (460, 4391326), (839, 2407640), (920, 2195663), (1678, 1203820), (2617, 771880), (3356, 601910), (4195, 481528), (5234, 385940), (6712, 300955), (8390, 240764), (10468, 192970), (13085, 154376), (16780, 120382), (19297, 104680), (20936, 96485), (26170, 77188), (33560, 60191), (38594, 52340)]