20852495264

素因数分解:

$2^5\times {\mathrm{47}}^1\times {\mathrm{109}}^1\times {\mathrm{311}}^1\times {\mathrm{409}}^1$

素因数の和:886

約数の個数: 96

約数和(自身を含む): 42551308800

約数和(自身を除く): 21698813536

約数列:

[1, 2, 4, 8, 16, 32, 47, 94, 109, 188, 218, 311, 376, 409, 436, 622, 752, 818, 872, 1244, 1504, 1636, 1744, 2488, 3272, 3488, 4976, 5123, 6544, 9952, 10246, 13088, 14617, 19223, 20492, 29234, 33899, 38446, 40984, 44581, 58468, 67798, 76892, 81968, 89162, 116936, 127199, 135596, 153784, 163936, 178324, 233872, 254398, 271192, 307568, 356648, 467744, 508796, 542384, 615136, 713296, 1017592, 1084768, 1426592, 1593253, 2035184, 2095307, 3186506, 4070368, 4190614, 5978353, 6373012, 8381228, 11956706, 12746024, 13864691, 16762456, 23913412, 25492048, 27729382, 33524912, 47826824, 50984096, 55458764, 67049824, 95653648, 110917528, 191307296, 221835056, 443670112, 651640477, 1303280954, 2606561908, 5213123816, 10426247632, 20852495264]

約数ペア:

[(1, 20852495264), (2, 10426247632), (4, 5213123816), (8, 2606561908), (16, 1303280954), (32, 651640477), (47, 443670112), (94, 221835056), (109, 191307296), (188, 110917528), (218, 95653648), (311, 67049824), (376, 55458764), (409, 50984096), (436, 47826824), (622, 33524912), (752, 27729382), (818, 25492048), (872, 23913412), (1244, 16762456), (1504, 13864691), (1636, 12746024), (1744, 11956706), (2488, 8381228), (3272, 6373012), (3488, 5978353), (4976, 4190614), (5123, 4070368), (6544, 3186506), (9952, 2095307), (10246, 2035184), (13088, 1593253), (14617, 1426592), (19223, 1084768), (20492, 1017592), (29234, 713296), (33899, 615136), (38446, 542384), (40984, 508796), (44581, 467744), (58468, 356648), (67798, 307568), (76892, 271192), (81968, 254398), (89162, 233872), (116936, 178324), (127199, 163936), (135596, 153784)]