20829950

素因数分解:

$2^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1\times {\mathrm{307}}^1$

素因数の和:401

約数の個数: 48

約数和(自身を含む): 41247360

約数和(自身を除く): 20417410

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 59, 115, 118, 230, 295, 307, 575, 590, 614, 1150, 1357, 1475, 1535, 2714, 2950, 3070, 6785, 7061, 7675, 13570, 14122, 15350, 18113, 33925, 35305, 36226, 67850, 70610, 90565, 176525, 181130, 353050, 416599, 452825, 833198, 905650, 2082995, 4165990, 10414975, 20829950]

約数ペア:

[(1, 20829950), (2, 10414975), (5, 4165990), (10, 2082995), (23, 905650), (25, 833198), (46, 452825), (50, 416599), (59, 353050), (115, 181130), (118, 176525), (230, 90565), (295, 70610), (307, 67850), (575, 36226), (590, 35305), (614, 33925), (1150, 18113), (1357, 15350), (1475, 14122), (1535, 13570), (2714, 7675), (2950, 7061), (3070, 6785)]