20243601880

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{509}}^1\times {\mathrm{7829}}^1$

素因数の和:8476

約数の個数: 64

約数和(自身を含む): 46002816000

約数和(自身を除く): 25759214120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 509, 635, 1016, 1018, 1270, 2036, 2540, 2545, 4072, 5080, 5090, 7829, 10180, 15658, 20360, 31316, 39145, 62632, 64643, 78290, 129286, 156580, 258572, 313160, 323215, 517144, 646430, 994283, 1292860, 1988566, 2585720, 3977132, 3984961, 4971415, 7954264, 7969922, 9942830, 15939844, 19885660, 19924805, 31879688, 39771320, 39849610, 79699220, 159398440, 506090047, 1012180094, 2024360188, 2530450235, 4048720376, 5060900470, 10121800940, 20243601880]

約数ペア:

[(1, 20243601880), (2, 10121800940), (4, 5060900470), (5, 4048720376), (8, 2530450235), (10, 2024360188), (20, 1012180094), (40, 506090047), (127, 159398440), (254, 79699220), (508, 39849610), (509, 39771320), (635, 31879688), (1016, 19924805), (1018, 19885660), (1270, 15939844), (2036, 9942830), (2540, 7969922), (2545, 7954264), (4072, 4971415), (5080, 3984961), (5090, 3977132), (7829, 2585720), (10180, 1988566), (15658, 1292860), (20360, 994283), (31316, 646430), (39145, 517144), (62632, 323215), (64643, 313160), (78290, 258572), (129286, 156580)]