20423250

素因数分解:

$2^1\times 3^2\times 5^3\times {\mathrm{29}}^1\times {\mathrm{313}}^1$

素因数の和:365

約数の個数: 96

約数和(自身を含む): 57311280

約数和(自身を除く): 36888030

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 25, 29, 30, 45, 50, 58, 75, 87, 90, 125, 145, 150, 174, 225, 250, 261, 290, 313, 375, 435, 450, 522, 626, 725, 750, 870, 939, 1125, 1305, 1450, 1565, 1878, 2175, 2250, 2610, 2817, 3130, 3625, 4350, 4695, 5634, 6525, 7250, 7825, 9077, 9390, 10875, 13050, 14085, 15650, 18154, 21750, 23475, 27231, 28170, 32625, 39125, 45385, 46950, 54462, 65250, 70425, 78250, 81693, 90770, 117375, 136155, 140850, 163386, 226925, 234750, 272310, 352125, 408465, 453850, 680775, 704250, 816930, 1134625, 1361550, 2042325, 2269250, 3403875, 4084650, 6807750, 10211625, 20423250]

約数ペア:

[(1, 20423250), (2, 10211625), (3, 6807750), (5, 4084650), (6, 3403875), (9, 2269250), (10, 2042325), (15, 1361550), (18, 1134625), (25, 816930), (29, 704250), (30, 680775), (45, 453850), (50, 408465), (58, 352125), (75, 272310), (87, 234750), (90, 226925), (125, 163386), (145, 140850), (150, 136155), (174, 117375), (225, 90770), (250, 81693), (261, 78250), (290, 70425), (313, 65250), (375, 54462), (435, 46950), (450, 45385), (522, 39125), (626, 32625), (725, 28170), (750, 27231), (870, 23475), (939, 21750), (1125, 18154), (1305, 15650), (1450, 14085), (1565, 13050), (1878, 10875), (2175, 9390), (2250, 9077), (2610, 7825), (2817, 7250), (3130, 6525), (3625, 5634), (4350, 4695)]