20194125

素因数分解:

$3^1\times 5^3\times 7^3\times {\mathrm{157}}^1$

素因数の和:196

約数の個数: 64

約数和(自身を含む): 39436800

約数和(自身を除く): 19242675

約数列:

[1, 3, 5, 7, 15, 21, 25, 35, 49, 75, 105, 125, 147, 157, 175, 245, 343, 375, 471, 525, 735, 785, 875, 1029, 1099, 1225, 1715, 2355, 2625, 3297, 3675, 3925, 5145, 5495, 6125, 7693, 8575, 11775, 16485, 18375, 19625, 23079, 25725, 27475, 38465, 42875, 53851, 58875, 82425, 115395, 128625, 137375, 161553, 192325, 269255, 412125, 576975, 807765, 961625, 1346275, 2884875, 4038825, 6731375, 20194125]

約数ペア:

[(1, 20194125), (3, 6731375), (5, 4038825), (7, 2884875), (15, 1346275), (21, 961625), (25, 807765), (35, 576975), (49, 412125), (75, 269255), (105, 192325), (125, 161553), (147, 137375), (157, 128625), (175, 115395), (245, 82425), (343, 58875), (375, 53851), (471, 42875), (525, 38465), (735, 27475), (785, 25725), (875, 23079), (1029, 19625), (1099, 18375), (1225, 16485), (1715, 11775), (2355, 8575), (2625, 7693), (3297, 6125), (3675, 5495), (3925, 5145)]