20288208

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{47}}^1$

素因数の和:121

約数の個数: 120

約数和(自身を含む): 59246208

約数和(自身を除く): 38958000

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 23, 24, 34, 46, 47, 48, 51, 68, 69, 92, 94, 102, 136, 138, 141, 184, 188, 204, 272, 276, 282, 368, 376, 391, 408, 529, 552, 564, 752, 782, 799, 816, 1058, 1081, 1104, 1128, 1173, 1564, 1587, 1598, 2116, 2162, 2256, 2346, 2397, 3128, 3174, 3196, 3243, 4232, 4324, 4692, 4794, 6256, 6348, 6392, 6486, 8464, 8648, 8993, 9384, 9588, 12696, 12784, 12972, 17296, 17986, 18377, 18768, 19176, 24863, 25392, 25944, 26979, 35972, 36754, 38352, 49726, 51888, 53958, 55131, 71944, 73508, 74589, 99452, 107916, 110262, 143888, 147016, 149178, 198904, 215832, 220524, 294032, 298356, 397808, 422671, 431664, 441048, 596712, 845342, 882096, 1193424, 1268013, 1690684, 2536026, 3381368, 5072052, 6762736, 10144104, 20288208]

約数ペア:

[(1, 20288208), (2, 10144104), (3, 6762736), (4, 5072052), (6, 3381368), (8, 2536026), (12, 1690684), (16, 1268013), (17, 1193424), (23, 882096), (24, 845342), (34, 596712), (46, 441048), (47, 431664), (48, 422671), (51, 397808), (68, 298356), (69, 294032), (92, 220524), (94, 215832), (102, 198904), (136, 149178), (138, 147016), (141, 143888), (184, 110262), (188, 107916), (204, 99452), (272, 74589), (276, 73508), (282, 71944), (368, 55131), (376, 53958), (391, 51888), (408, 49726), (529, 38352), (552, 36754), (564, 35972), (752, 26979), (782, 25944), (799, 25392), (816, 24863), (1058, 19176), (1081, 18768), (1104, 18377), (1128, 17986), (1173, 17296), (1564, 12972), (1587, 12784), (1598, 12696), (2116, 9588), (2162, 9384), (2256, 8993), (2346, 8648), (2397, 8464), (3128, 6486), (3174, 6392), (3196, 6348), (3243, 6256), (4232, 4794), (4324, 4692)]