20846500

素因数分解:

$2^2\times 5^3\times {\mathrm{173}}^1\times {\mathrm{241}}^1$

素因数の和:433

約数の個数: 48

約数和(自身を含む): 45981936

約数和(自身を除く): 25135436

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 125, 173, 241, 250, 346, 482, 500, 692, 865, 964, 1205, 1730, 2410, 3460, 4325, 4820, 6025, 8650, 12050, 17300, 21625, 24100, 30125, 41693, 43250, 60250, 83386, 86500, 120500, 166772, 208465, 416930, 833860, 1042325, 2084650, 4169300, 5211625, 10423250, 20846500]

約数ペア:

[(1, 20846500), (2, 10423250), (4, 5211625), (5, 4169300), (10, 2084650), (20, 1042325), (25, 833860), (50, 416930), (100, 208465), (125, 166772), (173, 120500), (241, 86500), (250, 83386), (346, 60250), (482, 43250), (500, 41693), (692, 30125), (865, 24100), (964, 21625), (1205, 17300), (1730, 12050), (2410, 8650), (3460, 6025), (4325, 4820)]