20104692012

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{783259}}^1$

素因数の和:783323

約数の個数: 72

約数和(自身を含む): 54740474880

約数和(自身を除く): 34635782868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 31, 36, 46, 62, 69, 92, 93, 124, 138, 186, 207, 276, 279, 372, 414, 558, 713, 828, 1116, 1426, 2139, 2852, 4278, 6417, 8556, 12834, 25668, 783259, 1566518, 2349777, 3133036, 4699554, 7049331, 9399108, 14098662, 18014957, 24281029, 28197324, 36029914, 48562058, 54044871, 72059828, 72843087, 97124116, 108089742, 145686174, 162134613, 216179484, 218529261, 291372348, 324269226, 437058522, 558463667, 648538452, 874117044, 1116927334, 1675391001, 2233854668, 3350782002, 5026173003, 6701564004, 10052346006, 20104692012]

約数ペア:

[(1, 20104692012), (2, 10052346006), (3, 6701564004), (4, 5026173003), (6, 3350782002), (9, 2233854668), (12, 1675391001), (18, 1116927334), (23, 874117044), (31, 648538452), (36, 558463667), (46, 437058522), (62, 324269226), (69, 291372348), (92, 218529261), (93, 216179484), (124, 162134613), (138, 145686174), (186, 108089742), (207, 97124116), (276, 72843087), (279, 72059828), (372, 54044871), (414, 48562058), (558, 36029914), (713, 28197324), (828, 24281029), (1116, 18014957), (1426, 14098662), (2139, 9399108), (2852, 7049331), (4278, 4699554), (6417, 3133036), (8556, 2349777), (12834, 1566518), (25668, 783259)]