20193102700

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{2053}}^1\times {\mathrm{2399}}^1$

素因数の和:4507

約数の個数: 72

約数和(自身を含む): 44928374400

約数和(自身を除く): 24735271700

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 2053, 2399, 4100, 4106, 4798, 8212, 9596, 10265, 11995, 20530, 23990, 41060, 47980, 51325, 59975, 84173, 98359, 102650, 119950, 168346, 196718, 205300, 239900, 336692, 393436, 420865, 491795, 841730, 983590, 1683460, 1967180, 2104325, 2458975, 4208650, 4917950, 4925147, 8417300, 9835900, 9850294, 19700588, 24625735, 49251470, 98502940, 123128675, 201931027, 246257350, 403862054, 492514700, 807724108, 1009655135, 2019310270, 4038620540, 5048275675, 10096551350, 20193102700]

約数ペア:

[(1, 20193102700), (2, 10096551350), (4, 5048275675), (5, 4038620540), (10, 2019310270), (20, 1009655135), (25, 807724108), (41, 492514700), (50, 403862054), (82, 246257350), (100, 201931027), (164, 123128675), (205, 98502940), (410, 49251470), (820, 24625735), (1025, 19700588), (2050, 9850294), (2053, 9835900), (2399, 8417300), (4100, 4925147), (4106, 4917950), (4798, 4208650), (8212, 2458975), (9596, 2104325), (10265, 1967180), (11995, 1683460), (20530, 983590), (23990, 841730), (41060, 491795), (47980, 420865), (51325, 393436), (59975, 336692), (84173, 239900), (98359, 205300), (102650, 196718), (119950, 168346)]