20197802061

素因数分解:

$3^5\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1\times {\mathrm{367}}^1$

素因数の和:677

約数の個数: 96

約数和(自身を含む): 32534261760

約数和(自身を除く): 12336459699

約数列:

[1, 3, 9, 23, 27, 43, 69, 81, 129, 207, 229, 243, 367, 387, 621, 687, 989, 1101, 1161, 1863, 2061, 2967, 3303, 3483, 5267, 5589, 6183, 8441, 8901, 9847, 9909, 10449, 15781, 15801, 18549, 25323, 26703, 29541, 29727, 47343, 47403, 55647, 75969, 80109, 84043, 88623, 89181, 142029, 142209, 226481, 227907, 240327, 252129, 265869, 362963, 426087, 426627, 679443, 683721, 756387, 797607, 1088889, 1278261, 1279881, 1932989, 2038329, 2051163, 2269161, 2392821, 3266667, 3613849, 3834783, 5798967, 6114987, 6807483, 9800001, 10841547, 17396901, 18344961, 20422449, 29400003, 32524641, 52190703, 55034883, 83118527, 88200009, 97573923, 156572109, 249355581, 292721769, 469716327, 748066743, 878165307, 2244200229, 6732600687, 20197802061]

約数ペア:

[(1, 20197802061), (3, 6732600687), (9, 2244200229), (23, 878165307), (27, 748066743), (43, 469716327), (69, 292721769), (81, 249355581), (129, 156572109), (207, 97573923), (229, 88200009), (243, 83118527), (367, 55034883), (387, 52190703), (621, 32524641), (687, 29400003), (989, 20422449), (1101, 18344961), (1161, 17396901), (1863, 10841547), (2061, 9800001), (2967, 6807483), (3303, 6114987), (3483, 5798967), (5267, 3834783), (5589, 3613849), (6183, 3266667), (8441, 2392821), (8901, 2269161), (9847, 2051163), (9909, 2038329), (10449, 1932989), (15781, 1279881), (15801, 1278261), (18549, 1088889), (25323, 797607), (26703, 756387), (29541, 683721), (29727, 679443), (47343, 426627), (47403, 426087), (55647, 362963), (75969, 265869), (80109, 252129), (84043, 240327), (88623, 227907), (89181, 226481), (142029, 142209)]