20772325

素因数分解:

$5^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{547}}^1$

素因数の和:602

約数の個数: 36

約数和(自身を含む): 30986112

約数和(自身を除く): 10213787

約数列:

[1, 5, 7, 25, 31, 35, 49, 155, 175, 217, 245, 547, 775, 1085, 1225, 1519, 2735, 3829, 5425, 7595, 13675, 16957, 19145, 26803, 37975, 84785, 95725, 118699, 134015, 423925, 593495, 670075, 830893, 2967475, 4154465, 20772325]

約数ペア:

[(1, 20772325), (5, 4154465), (7, 2967475), (25, 830893), (31, 670075), (35, 593495), (49, 423925), (155, 134015), (175, 118699), (217, 95725), (245, 84785), (547, 37975), (775, 26803), (1085, 19145), (1225, 16957), (1519, 13675), (2735, 7595), (3829, 5425)]