20204250

素因数分解:

$2^1\times 3^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:141

約数の個数: 128

約数和(自身を含む): 57507840

約数和(自身を除く): 37303590

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 25, 30, 31, 33, 50, 55, 62, 66, 75, 79, 93, 110, 125, 150, 155, 158, 165, 186, 237, 250, 275, 310, 330, 341, 375, 395, 465, 474, 550, 682, 750, 775, 790, 825, 869, 930, 1023, 1185, 1375, 1550, 1650, 1705, 1738, 1975, 2046, 2325, 2370, 2449, 2607, 2750, 3410, 3875, 3950, 4125, 4345, 4650, 4898, 5115, 5214, 5925, 7347, 7750, 8250, 8525, 8690, 9875, 10230, 11625, 11850, 12245, 13035, 14694, 17050, 19750, 21725, 23250, 24490, 25575, 26070, 26939, 29625, 36735, 42625, 43450, 51150, 53878, 59250, 61225, 65175, 73470, 80817, 85250, 108625, 122450, 127875, 130350, 134695, 161634, 183675, 217250, 255750, 269390, 306125, 325875, 367350, 404085, 612250, 651750, 673475, 808170, 918375, 1346950, 1836750, 2020425, 3367375, 4040850, 6734750, 10102125, 20204250]

約数ペア:

[(1, 20204250), (2, 10102125), (3, 6734750), (5, 4040850), (6, 3367375), (10, 2020425), (11, 1836750), (15, 1346950), (22, 918375), (25, 808170), (30, 673475), (31, 651750), (33, 612250), (50, 404085), (55, 367350), (62, 325875), (66, 306125), (75, 269390), (79, 255750), (93, 217250), (110, 183675), (125, 161634), (150, 134695), (155, 130350), (158, 127875), (165, 122450), (186, 108625), (237, 85250), (250, 80817), (275, 73470), (310, 65175), (330, 61225), (341, 59250), (375, 53878), (395, 51150), (465, 43450), (474, 42625), (550, 36735), (682, 29625), (750, 26939), (775, 26070), (790, 25575), (825, 24490), (869, 23250), (930, 21725), (1023, 19750), (1185, 17050), (1375, 14694), (1550, 13035), (1650, 12245), (1705, 11850), (1738, 11625), (1975, 10230), (2046, 9875), (2325, 8690), (2370, 8525), (2449, 8250), (2607, 7750), (2750, 7347), (3410, 5925), (3875, 5214), (3950, 5115), (4125, 4898), (4345, 4650)]