20467560

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{191}}^1$

素因数の和:271

約数の個数: 128

約数和(自身を含む): 66355200

約数和(自身を除く): 45887640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 19, 20, 24, 30, 38, 40, 47, 57, 60, 76, 94, 95, 114, 120, 141, 152, 188, 190, 191, 228, 235, 282, 285, 376, 380, 382, 456, 470, 564, 570, 573, 705, 760, 764, 893, 940, 955, 1128, 1140, 1146, 1410, 1528, 1786, 1880, 1910, 2280, 2292, 2679, 2820, 2865, 3572, 3629, 3820, 4465, 4584, 5358, 5640, 5730, 7144, 7258, 7640, 8930, 8977, 10716, 10887, 11460, 13395, 14516, 17860, 17954, 18145, 21432, 21774, 22920, 26790, 26931, 29032, 35720, 35908, 36290, 43548, 44885, 53580, 53862, 54435, 71816, 72580, 87096, 89770, 107160, 107724, 108870, 134655, 145160, 170563, 179540, 215448, 217740, 269310, 341126, 359080, 435480, 511689, 538620, 682252, 852815, 1023378, 1077240, 1364504, 1705630, 2046756, 2558445, 3411260, 4093512, 5116890, 6822520, 10233780, 20467560]

約数ペア:

[(1, 20467560), (2, 10233780), (3, 6822520), (4, 5116890), (5, 4093512), (6, 3411260), (8, 2558445), (10, 2046756), (12, 1705630), (15, 1364504), (19, 1077240), (20, 1023378), (24, 852815), (30, 682252), (38, 538620), (40, 511689), (47, 435480), (57, 359080), (60, 341126), (76, 269310), (94, 217740), (95, 215448), (114, 179540), (120, 170563), (141, 145160), (152, 134655), (188, 108870), (190, 107724), (191, 107160), (228, 89770), (235, 87096), (282, 72580), (285, 71816), (376, 54435), (380, 53862), (382, 53580), (456, 44885), (470, 43548), (564, 36290), (570, 35908), (573, 35720), (705, 29032), (760, 26931), (764, 26790), (893, 22920), (940, 21774), (955, 21432), (1128, 18145), (1140, 17954), (1146, 17860), (1410, 14516), (1528, 13395), (1786, 11460), (1880, 10887), (1910, 10716), (2280, 8977), (2292, 8930), (2679, 7640), (2820, 7258), (2865, 7144), (3572, 5730), (3629, 5640), (3820, 5358), (4465, 4584)]