20175260

素因数分解:

$2^2\times 5^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{173}}^1$

素因数の和:220

約数の個数: 96

約数和(自身を含む): 52617600

約数和(自身を除く): 32442340

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 49, 68, 70, 85, 98, 119, 140, 170, 173, 196, 238, 245, 340, 343, 346, 476, 490, 595, 686, 692, 833, 865, 980, 1190, 1211, 1372, 1666, 1715, 1730, 2380, 2422, 2941, 3332, 3430, 3460, 4165, 4844, 5831, 5882, 6055, 6860, 8330, 8477, 11662, 11764, 12110, 14705, 16660, 16954, 20587, 23324, 24220, 29155, 29410, 33908, 41174, 42385, 58310, 58820, 59339, 82348, 84770, 102935, 116620, 118678, 144109, 169540, 205870, 237356, 288218, 296695, 411740, 576436, 593390, 720545, 1008763, 1186780, 1441090, 2017526, 2882180, 4035052, 5043815, 10087630, 20175260]

約数ペア:

[(1, 20175260), (2, 10087630), (4, 5043815), (5, 4035052), (7, 2882180), (10, 2017526), (14, 1441090), (17, 1186780), (20, 1008763), (28, 720545), (34, 593390), (35, 576436), (49, 411740), (68, 296695), (70, 288218), (85, 237356), (98, 205870), (119, 169540), (140, 144109), (170, 118678), (173, 116620), (196, 102935), (238, 84770), (245, 82348), (340, 59339), (343, 58820), (346, 58310), (476, 42385), (490, 41174), (595, 33908), (686, 29410), (692, 29155), (833, 24220), (865, 23324), (980, 20587), (1190, 16954), (1211, 16660), (1372, 14705), (1666, 12110), (1715, 11764), (1730, 11662), (2380, 8477), (2422, 8330), (2941, 6860), (3332, 6055), (3430, 5882), (3460, 5831), (4165, 4844)]