20712650

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1$

素因数の和:156

約数の個数: 96

約数和(自身を含む): 47996928

約数和(自身を除く): 27284278

約数列:

[1, 2, 5, 7, 10, 14, 23, 25, 31, 35, 46, 50, 62, 70, 83, 115, 155, 161, 166, 175, 217, 230, 310, 322, 350, 415, 434, 575, 581, 713, 775, 805, 830, 1085, 1150, 1162, 1426, 1550, 1610, 1909, 2075, 2170, 2573, 2905, 3565, 3818, 4025, 4150, 4991, 5146, 5425, 5810, 7130, 8050, 9545, 9982, 10850, 12865, 13363, 14525, 17825, 18011, 19090, 24955, 25730, 26726, 29050, 35650, 36022, 47725, 49910, 59179, 64325, 66815, 90055, 95450, 118358, 124775, 128650, 133630, 180110, 249550, 295895, 334075, 414253, 450275, 591790, 668150, 828506, 900550, 1479475, 2071265, 2958950, 4142530, 10356325, 20712650]

約数ペア:

[(1, 20712650), (2, 10356325), (5, 4142530), (7, 2958950), (10, 2071265), (14, 1479475), (23, 900550), (25, 828506), (31, 668150), (35, 591790), (46, 450275), (50, 414253), (62, 334075), (70, 295895), (83, 249550), (115, 180110), (155, 133630), (161, 128650), (166, 124775), (175, 118358), (217, 95450), (230, 90055), (310, 66815), (322, 64325), (350, 59179), (415, 49910), (434, 47725), (575, 36022), (581, 35650), (713, 29050), (775, 26726), (805, 25730), (830, 24955), (1085, 19090), (1150, 18011), (1162, 17825), (1426, 14525), (1550, 13363), (1610, 12865), (1909, 10850), (2075, 9982), (2170, 9545), (2573, 8050), (2905, 7130), (3565, 5810), (3818, 5425), (4025, 5146), (4150, 4991)]