20235525

素因数分解:

$3^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{269}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 36158400

約数和(自身を除く): 15922875

約数列:

[1, 3, 5, 15, 17, 25, 51, 59, 75, 85, 177, 255, 269, 295, 425, 807, 885, 1003, 1275, 1345, 1475, 3009, 4035, 4425, 4573, 5015, 6725, 13719, 15045, 15871, 20175, 22865, 25075, 47613, 68595, 75225, 79355, 114325, 238065, 269807, 342975, 396775, 809421, 1190325, 1349035, 4047105, 6745175, 20235525]

約数ペア:

[(1, 20235525), (3, 6745175), (5, 4047105), (15, 1349035), (17, 1190325), (25, 809421), (51, 396775), (59, 342975), (75, 269807), (85, 238065), (177, 114325), (255, 79355), (269, 75225), (295, 68595), (425, 47613), (807, 25075), (885, 22865), (1003, 20175), (1275, 15871), (1345, 15045), (1475, 13719), (3009, 6725), (4035, 5015), (4425, 4573)]