20174772255

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{881}}^1$

素因数の和:990

約数の個数: 128

約数和(自身を含む): 37683781632

約数和(自身を除く): 17509009377

約数列:

[1, 3, 5, 11, 15, 31, 33, 37, 55, 93, 111, 121, 155, 165, 185, 341, 363, 407, 465, 555, 605, 881, 1023, 1147, 1221, 1331, 1705, 1815, 2035, 2643, 3441, 3751, 3993, 4405, 4477, 5115, 5735, 6105, 6655, 9691, 11253, 12617, 13215, 13431, 17205, 18755, 19965, 22385, 27311, 29073, 32597, 37851, 41261, 48455, 49247, 56265, 63085, 67155, 81933, 97791, 106601, 123783, 136555, 138787, 145365, 147741, 162985, 189255, 206305, 246235, 300421, 319803, 358567, 409665, 416361, 488955, 533005, 618915, 693935, 738705, 901263, 1010507, 1075701, 1172611, 1502105, 1526657, 1599015, 1792835, 2081805, 3031521, 3304631, 3517833, 3944237, 4506315, 4579971, 5052535, 5378505, 5863055, 7633285, 9913893, 11115577, 11832711, 15157605, 16523155, 17589165, 19721185, 22899855, 33346731, 36350941, 43386607, 49569465, 55577885, 59163555, 109052823, 122271347, 130159821, 166733655, 181754705, 216933035, 366814041, 545264115, 611356735, 650799105, 1344984817, 1834070205, 4034954451, 6724924085, 20174772255]

約数ペア:

[(1, 20174772255), (3, 6724924085), (5, 4034954451), (11, 1834070205), (15, 1344984817), (31, 650799105), (33, 611356735), (37, 545264115), (55, 366814041), (93, 216933035), (111, 181754705), (121, 166733655), (155, 130159821), (165, 122271347), (185, 109052823), (341, 59163555), (363, 55577885), (407, 49569465), (465, 43386607), (555, 36350941), (605, 33346731), (881, 22899855), (1023, 19721185), (1147, 17589165), (1221, 16523155), (1331, 15157605), (1705, 11832711), (1815, 11115577), (2035, 9913893), (2643, 7633285), (3441, 5863055), (3751, 5378505), (3993, 5052535), (4405, 4579971), (4477, 4506315), (5115, 3944237), (5735, 3517833), (6105, 3304631), (6655, 3031521), (9691, 2081805), (11253, 1792835), (12617, 1599015), (13215, 1526657), (13431, 1502105), (17205, 1172611), (18755, 1075701), (19965, 1010507), (22385, 901263), (27311, 738705), (29073, 693935), (32597, 618915), (37851, 533005), (41261, 488955), (48455, 416361), (49247, 409665), (56265, 358567), (63085, 319803), (67155, 300421), (81933, 246235), (97791, 206305), (106601, 189255), (123783, 162985), (136555, 147741), (138787, 145365)]