20561112

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1997}}^1$

素因数の和:2033

約数の個数: 96

約数和(自身を含む): 65454480

約数和(自身を除く): 44893368

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 13, 18, 22, 24, 26, 33, 36, 39, 44, 52, 66, 72, 78, 88, 99, 104, 117, 132, 143, 156, 198, 234, 264, 286, 312, 396, 429, 468, 572, 792, 858, 936, 1144, 1287, 1716, 1997, 2574, 3432, 3994, 5148, 5991, 7988, 10296, 11982, 15976, 17973, 21967, 23964, 25961, 35946, 43934, 47928, 51922, 65901, 71892, 77883, 87868, 103844, 131802, 143784, 155766, 175736, 197703, 207688, 233649, 263604, 285571, 311532, 395406, 467298, 527208, 571142, 623064, 790812, 856713, 934596, 1142284, 1581624, 1713426, 1869192, 2284568, 2570139, 3426852, 5140278, 6853704, 10280556, 20561112]

約数ペア:

[(1, 20561112), (2, 10280556), (3, 6853704), (4, 5140278), (6, 3426852), (8, 2570139), (9, 2284568), (11, 1869192), (12, 1713426), (13, 1581624), (18, 1142284), (22, 934596), (24, 856713), (26, 790812), (33, 623064), (36, 571142), (39, 527208), (44, 467298), (52, 395406), (66, 311532), (72, 285571), (78, 263604), (88, 233649), (99, 207688), (104, 197703), (117, 175736), (132, 155766), (143, 143784), (156, 131802), (198, 103844), (234, 87868), (264, 77883), (286, 71892), (312, 65901), (396, 51922), (429, 47928), (468, 43934), (572, 35946), (792, 25961), (858, 23964), (936, 21967), (1144, 17973), (1287, 15976), (1716, 11982), (1997, 10296), (2574, 7988), (3432, 5991), (3994, 5148)]