22020620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{167}}^1\times {\mathrm{347}}^1$

素因数の和:542

約数の個数: 48

約数和(自身を含む): 49109760

約数和(自身を除く): 27089140

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 76, 95, 167, 190, 334, 347, 380, 668, 694, 835, 1388, 1670, 1735, 3173, 3340, 3470, 6346, 6593, 6940, 12692, 13186, 15865, 26372, 31730, 32965, 57949, 63460, 65930, 115898, 131860, 231796, 289745, 579490, 1101031, 1158980, 2202062, 4404124, 5505155, 11010310, 22020620]

約数ペア:

[(1, 22020620), (2, 11010310), (4, 5505155), (5, 4404124), (10, 2202062), (19, 1158980), (20, 1101031), (38, 579490), (76, 289745), (95, 231796), (167, 131860), (190, 115898), (334, 65930), (347, 63460), (380, 57949), (668, 32965), (694, 31730), (835, 26372), (1388, 15865), (1670, 13186), (1735, 12692), (3173, 6940), (3340, 6593), (3470, 6346)]