20442975

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{1693}}^1$

素因数の和:1736

約数の個数: 48

約数和(自身を含む): 40330752

約数和(自身を除く): 19887777

約数列:

[1, 3, 5, 7, 15, 21, 23, 25, 35, 69, 75, 105, 115, 161, 175, 345, 483, 525, 575, 805, 1693, 1725, 2415, 4025, 5079, 8465, 11851, 12075, 25395, 35553, 38939, 42325, 59255, 116817, 126975, 177765, 194695, 272573, 296275, 584085, 817719, 888825, 973475, 1362865, 2920425, 4088595, 6814325, 20442975]

約数ペア:

[(1, 20442975), (3, 6814325), (5, 4088595), (7, 2920425), (15, 1362865), (21, 973475), (23, 888825), (25, 817719), (35, 584085), (69, 296275), (75, 272573), (105, 194695), (115, 177765), (161, 126975), (175, 116817), (345, 59255), (483, 42325), (525, 38939), (575, 35553), (805, 25395), (1693, 12075), (1725, 11851), (2415, 8465), (4025, 5079)]