20533440

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{293}}^1$

素因数の和:386

約数の個数: 112

約数和(自身を含む): 66312288

約数和(自身を除く): 45778848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 73, 80, 96, 120, 146, 160, 192, 219, 240, 292, 293, 320, 365, 438, 480, 584, 586, 730, 876, 879, 960, 1095, 1168, 1172, 1460, 1465, 1752, 1758, 2190, 2336, 2344, 2920, 2930, 3504, 3516, 4380, 4395, 4672, 4688, 5840, 5860, 7008, 7032, 8760, 8790, 9376, 11680, 11720, 14016, 14064, 17520, 17580, 18752, 21389, 23360, 23440, 28128, 35040, 35160, 42778, 46880, 56256, 64167, 70080, 70320, 85556, 93760, 106945, 128334, 140640, 171112, 213890, 256668, 281280, 320835, 342224, 427780, 513336, 641670, 684448, 855560, 1026672, 1283340, 1368896, 1711120, 2053344, 2566680, 3422240, 4106688, 5133360, 6844480, 10266720, 20533440]

約数ペア:

[(1, 20533440), (2, 10266720), (3, 6844480), (4, 5133360), (5, 4106688), (6, 3422240), (8, 2566680), (10, 2053344), (12, 1711120), (15, 1368896), (16, 1283340), (20, 1026672), (24, 855560), (30, 684448), (32, 641670), (40, 513336), (48, 427780), (60, 342224), (64, 320835), (73, 281280), (80, 256668), (96, 213890), (120, 171112), (146, 140640), (160, 128334), (192, 106945), (219, 93760), (240, 85556), (292, 70320), (293, 70080), (320, 64167), (365, 56256), (438, 46880), (480, 42778), (584, 35160), (586, 35040), (730, 28128), (876, 23440), (879, 23360), (960, 21389), (1095, 18752), (1168, 17580), (1172, 17520), (1460, 14064), (1465, 14016), (1752, 11720), (1758, 11680), (2190, 9376), (2336, 8790), (2344, 8760), (2920, 7032), (2930, 7008), (3504, 5860), (3516, 5840), (4380, 4688), (4395, 4672)]