20818650

素因数分解:

$2^1\times 3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{2953}}^1$

素因数の和:3015

約数の個数: 48

約数和(自身を含む): 52746624

約数和(自身を除く): 31927974

約数列:

[1, 2, 3, 5, 6, 10, 15, 25, 30, 47, 50, 75, 94, 141, 150, 235, 282, 470, 705, 1175, 1410, 2350, 2953, 3525, 5906, 7050, 8859, 14765, 17718, 29530, 44295, 73825, 88590, 138791, 147650, 221475, 277582, 416373, 442950, 693955, 832746, 1387910, 2081865, 3469775, 4163730, 6939550, 10409325, 20818650]

約数ペア:

[(1, 20818650), (2, 10409325), (3, 6939550), (5, 4163730), (6, 3469775), (10, 2081865), (15, 1387910), (25, 832746), (30, 693955), (47, 442950), (50, 416373), (75, 277582), (94, 221475), (141, 147650), (150, 138791), (235, 88590), (282, 73825), (470, 44295), (705, 29530), (1175, 17718), (1410, 14765), (2350, 8859), (2953, 7050), (3525, 5906)]