20846040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1$

素因数の和:297

約数の個数: 128

約数和(自身を含む): 67737600

約数和(自身を除く): 46891560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 41, 57, 60, 76, 82, 95, 114, 120, 123, 152, 164, 190, 205, 223, 228, 246, 285, 328, 380, 410, 446, 456, 492, 570, 615, 669, 760, 779, 820, 892, 984, 1115, 1140, 1230, 1338, 1558, 1640, 1784, 2230, 2280, 2337, 2460, 2676, 3116, 3345, 3895, 4237, 4460, 4674, 4920, 5352, 6232, 6690, 7790, 8474, 8920, 9143, 9348, 11685, 12711, 13380, 15580, 16948, 18286, 18696, 21185, 23370, 25422, 26760, 27429, 31160, 33896, 36572, 42370, 45715, 46740, 50844, 54858, 63555, 73144, 84740, 91430, 93480, 101688, 109716, 127110, 137145, 169480, 173717, 182860, 219432, 254220, 274290, 347434, 365720, 508440, 521151, 548580, 694868, 868585, 1042302, 1097160, 1389736, 1737170, 2084604, 2605755, 3474340, 4169208, 5211510, 6948680, 10423020, 20846040]

約数ペア:

[(1, 20846040), (2, 10423020), (3, 6948680), (4, 5211510), (5, 4169208), (6, 3474340), (8, 2605755), (10, 2084604), (12, 1737170), (15, 1389736), (19, 1097160), (20, 1042302), (24, 868585), (30, 694868), (38, 548580), (40, 521151), (41, 508440), (57, 365720), (60, 347434), (76, 274290), (82, 254220), (95, 219432), (114, 182860), (120, 173717), (123, 169480), (152, 137145), (164, 127110), (190, 109716), (205, 101688), (223, 93480), (228, 91430), (246, 84740), (285, 73144), (328, 63555), (380, 54858), (410, 50844), (446, 46740), (456, 45715), (492, 42370), (570, 36572), (615, 33896), (669, 31160), (760, 27429), (779, 26760), (820, 25422), (892, 23370), (984, 21185), (1115, 18696), (1140, 18286), (1230, 16948), (1338, 15580), (1558, 13380), (1640, 12711), (1784, 11685), (2230, 9348), (2280, 9143), (2337, 8920), (2460, 8474), (2676, 7790), (3116, 6690), (3345, 6232), (3895, 5352), (4237, 4920), (4460, 4674)]