20415693596

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{641}}^1$

素因数の和:891

約数の個数: 96

約数和(自身を含む): 39066306048

約数和(自身を除く): 18650612452

約数列:

[1, 2, 4, 23, 43, 46, 83, 86, 92, 97, 166, 172, 194, 332, 388, 641, 989, 1282, 1909, 1978, 2231, 2564, 3569, 3818, 3956, 4171, 4462, 7138, 7636, 8051, 8342, 8924, 14276, 14743, 16102, 16684, 27563, 29486, 32204, 53203, 55126, 58972, 62177, 82087, 95933, 106406, 110252, 124354, 164174, 185173, 191866, 212812, 248708, 328348, 346193, 370346, 383732, 633949, 692386, 740692, 1223669, 1267898, 1384772, 1430071, 2287729, 2447338, 2535796, 2673611, 2860142, 4575458, 4894676, 5160691, 5347222, 5720284, 7962439, 9150916, 10321382, 10694444, 15924878, 20642764, 31849756, 52617767, 61493053, 105235534, 118695893, 122986106, 210471068, 221909713, 237391786, 245972212, 443819426, 474783572, 887638852, 5103923399, 10207846798, 20415693596]

約数ペア:

[(1, 20415693596), (2, 10207846798), (4, 5103923399), (23, 887638852), (43, 474783572), (46, 443819426), (83, 245972212), (86, 237391786), (92, 221909713), (97, 210471068), (166, 122986106), (172, 118695893), (194, 105235534), (332, 61493053), (388, 52617767), (641, 31849756), (989, 20642764), (1282, 15924878), (1909, 10694444), (1978, 10321382), (2231, 9150916), (2564, 7962439), (3569, 5720284), (3818, 5347222), (3956, 5160691), (4171, 4894676), (4462, 4575458), (7138, 2860142), (7636, 2673611), (8051, 2535796), (8342, 2447338), (8924, 2287729), (14276, 1430071), (14743, 1384772), (16102, 1267898), (16684, 1223669), (27563, 740692), (29486, 692386), (32204, 633949), (53203, 383732), (55126, 370346), (58972, 346193), (62177, 328348), (82087, 248708), (95933, 212812), (106406, 191866), (110252, 185173), (124354, 164174)]