20323920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4457}}^1$

素因数の和:4492

約数の個数: 80

約数和(自身を含む): 66335040

約数和(自身を除く): 46011120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 114, 120, 152, 190, 228, 240, 285, 304, 380, 456, 570, 760, 912, 1140, 1520, 2280, 4457, 4560, 8914, 13371, 17828, 22285, 26742, 35656, 44570, 53484, 66855, 71312, 84683, 89140, 106968, 133710, 169366, 178280, 213936, 254049, 267420, 338732, 356560, 423415, 508098, 534840, 677464, 846830, 1016196, 1069680, 1270245, 1354928, 1693660, 2032392, 2540490, 3387320, 4064784, 5080980, 6774640, 10161960, 20323920]

約数ペア:

[(1, 20323920), (2, 10161960), (3, 6774640), (4, 5080980), (5, 4064784), (6, 3387320), (8, 2540490), (10, 2032392), (12, 1693660), (15, 1354928), (16, 1270245), (19, 1069680), (20, 1016196), (24, 846830), (30, 677464), (38, 534840), (40, 508098), (48, 423415), (57, 356560), (60, 338732), (76, 267420), (80, 254049), (95, 213936), (114, 178280), (120, 169366), (152, 133710), (190, 106968), (228, 89140), (240, 84683), (285, 71312), (304, 66855), (380, 53484), (456, 44570), (570, 35656), (760, 26742), (912, 22285), (1140, 17828), (1520, 13371), (2280, 8914), (4457, 4560)]