20593560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{307}}^1$

素因数の和:377

約数の個数: 128

約数和(自身を含む): 68302080

約数和(自身を除く): 47708520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 43, 52, 60, 65, 78, 86, 104, 120, 129, 130, 156, 172, 195, 215, 258, 260, 307, 312, 344, 390, 430, 516, 520, 559, 614, 645, 780, 860, 921, 1032, 1118, 1228, 1290, 1535, 1560, 1677, 1720, 1842, 2236, 2456, 2580, 2795, 3070, 3354, 3684, 3991, 4472, 4605, 5160, 5590, 6140, 6708, 7368, 7982, 8385, 9210, 11180, 11973, 12280, 13201, 13416, 15964, 16770, 18420, 19955, 22360, 23946, 26402, 31928, 33540, 36840, 39603, 39910, 47892, 52804, 59865, 66005, 67080, 79206, 79820, 95784, 105608, 119730, 132010, 158412, 159640, 171613, 198015, 239460, 264020, 316824, 343226, 396030, 478920, 514839, 528040, 686452, 792060, 858065, 1029678, 1372904, 1584120, 1716130, 2059356, 2574195, 3432260, 4118712, 5148390, 6864520, 10296780, 20593560]

約数ペア:

[(1, 20593560), (2, 10296780), (3, 6864520), (4, 5148390), (5, 4118712), (6, 3432260), (8, 2574195), (10, 2059356), (12, 1716130), (13, 1584120), (15, 1372904), (20, 1029678), (24, 858065), (26, 792060), (30, 686452), (39, 528040), (40, 514839), (43, 478920), (52, 396030), (60, 343226), (65, 316824), (78, 264020), (86, 239460), (104, 198015), (120, 171613), (129, 159640), (130, 158412), (156, 132010), (172, 119730), (195, 105608), (215, 95784), (258, 79820), (260, 79206), (307, 67080), (312, 66005), (344, 59865), (390, 52804), (430, 47892), (516, 39910), (520, 39603), (559, 36840), (614, 33540), (645, 31928), (780, 26402), (860, 23946), (921, 22360), (1032, 19955), (1118, 18420), (1228, 16770), (1290, 15964), (1535, 13416), (1560, 13201), (1677, 12280), (1720, 11973), (1842, 11180), (2236, 9210), (2456, 8385), (2580, 7982), (2795, 7368), (3070, 6708), (3354, 6140), (3684, 5590), (3991, 5160), (4472, 4605)]