20173950735

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{283}}^1\times {\mathrm{1399}}^1$

素因数の和:1812

約数の個数: 64

約数和(自身を含む): 33589248000

約数和(自身を除く): 13415297265

約数列:

[1, 3, 5, 15, 43, 79, 129, 215, 237, 283, 395, 645, 849, 1185, 1399, 1415, 3397, 4197, 4245, 6995, 10191, 12169, 16985, 20985, 22357, 36507, 50955, 60157, 60845, 67071, 110521, 111785, 180471, 182535, 300785, 331563, 335355, 395917, 552605, 902355, 961351, 1187751, 1657815, 1979585, 2884053, 4752403, 4806755, 5938755, 14257209, 14420265, 17024431, 23762015, 31277443, 51073293, 71286045, 85122155, 93832329, 156387215, 255366465, 469161645, 1344930049, 4034790147, 6724650245, 20173950735]

約数ペア:

[(1, 20173950735), (3, 6724650245), (5, 4034790147), (15, 1344930049), (43, 469161645), (79, 255366465), (129, 156387215), (215, 93832329), (237, 85122155), (283, 71286045), (395, 51073293), (645, 31277443), (849, 23762015), (1185, 17024431), (1399, 14420265), (1415, 14257209), (3397, 5938755), (4197, 4806755), (4245, 4752403), (6995, 2884053), (10191, 1979585), (12169, 1657815), (16985, 1187751), (20985, 961351), (22357, 902355), (36507, 552605), (50955, 395917), (60157, 335355), (60845, 331563), (67071, 300785), (110521, 182535), (111785, 180471)]