20851237952

素因数分解:

$2^6\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{127}}^1\times {\mathrm{499}}^1$

素因数の和:788

約数の個数: 112

約数和(自身を含む): 43013376000

約数和(自身を除く): 22162138048

約数列:

[1, 2, 4, 8, 16, 32, 53, 64, 97, 106, 127, 194, 212, 254, 388, 424, 499, 508, 776, 848, 998, 1016, 1552, 1696, 1996, 2032, 3104, 3392, 3992, 4064, 5141, 6208, 6731, 7984, 8128, 10282, 12319, 13462, 15968, 20564, 24638, 26447, 26924, 31936, 41128, 48403, 49276, 52894, 53848, 63373, 82256, 96806, 98552, 105788, 107696, 126746, 164512, 193612, 197104, 211576, 215392, 253492, 329024, 387224, 394208, 423152, 430784, 506984, 652907, 774448, 788416, 846304, 1013968, 1305814, 1548896, 1692608, 2027936, 2565359, 2611628, 3097792, 3358769, 4055872, 5130718, 5223256, 6147181, 6717538, 10261436, 10446512, 12294362, 13435076, 20522872, 20893024, 24588724, 26870152, 41045744, 41786048, 49177448, 53740304, 82091488, 98354896, 107480608, 164182976, 196709792, 214961216, 325800593, 393419584, 651601186, 1303202372, 2606404744, 5212809488, 10425618976, 20851237952]

約数ペア:

[(1, 20851237952), (2, 10425618976), (4, 5212809488), (8, 2606404744), (16, 1303202372), (32, 651601186), (53, 393419584), (64, 325800593), (97, 214961216), (106, 196709792), (127, 164182976), (194, 107480608), (212, 98354896), (254, 82091488), (388, 53740304), (424, 49177448), (499, 41786048), (508, 41045744), (776, 26870152), (848, 24588724), (998, 20893024), (1016, 20522872), (1552, 13435076), (1696, 12294362), (1996, 10446512), (2032, 10261436), (3104, 6717538), (3392, 6147181), (3992, 5223256), (4064, 5130718), (5141, 4055872), (6208, 3358769), (6731, 3097792), (7984, 2611628), (8128, 2565359), (10282, 2027936), (12319, 1692608), (13462, 1548896), (15968, 1305814), (20564, 1013968), (24638, 846304), (26447, 788416), (26924, 774448), (31936, 652907), (41128, 506984), (48403, 430784), (49276, 423152), (52894, 394208), (53848, 387224), (63373, 329024), (82256, 253492), (96806, 215392), (98552, 211576), (105788, 197104), (107696, 193612), (126746, 164512)]