22911980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{12589}}^1$

素因数の和:12618

約数の個数: 48

約数和(自身を含む): 59223360

約数和(自身を除く): 36311380

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 12589, 25178, 50356, 62945, 88123, 125890, 163657, 176246, 251780, 327314, 352492, 440615, 654628, 818285, 881230, 1145599, 1636570, 1762460, 2291198, 3273140, 4582396, 5727995, 11455990, 22911980]

約数ペア:

[(1, 22911980), (2, 11455990), (4, 5727995), (5, 4582396), (7, 3273140), (10, 2291198), (13, 1762460), (14, 1636570), (20, 1145599), (26, 881230), (28, 818285), (35, 654628), (52, 440615), (65, 352492), (70, 327314), (91, 251780), (130, 176246), (140, 163657), (182, 125890), (260, 88123), (364, 62945), (455, 50356), (910, 25178), (1820, 12589)]