22053980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{313}}^1$

素因数の和:606

約数の個数: 48

約数和(自身を含む): 50219904

約数和(自身を除く): 28165924

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 271, 313, 542, 626, 1084, 1252, 1355, 1565, 2710, 3130, 3523, 4069, 5420, 6260, 7046, 8138, 14092, 16276, 17615, 20345, 35230, 40690, 70460, 81380, 84823, 169646, 339292, 424115, 848230, 1102699, 1696460, 2205398, 4410796, 5513495, 11026990, 22053980]

約数ペア:

[(1, 22053980), (2, 11026990), (4, 5513495), (5, 4410796), (10, 2205398), (13, 1696460), (20, 1102699), (26, 848230), (52, 424115), (65, 339292), (130, 169646), (260, 84823), (271, 81380), (313, 70460), (542, 40690), (626, 35230), (1084, 20345), (1252, 17615), (1355, 16276), (1565, 14092), (2710, 8138), (3130, 7046), (3523, 6260), (4069, 5420)]